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Surrey, British Columbia Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Surrey, British Columbia?
Surrey, British Columbia gets 1062 mm of precipitation a year over about 161 rainy days, and about 24 cm of snow a season. July is the warmest month (average high 22°C) and January the coldest (average low 1°C).
Mediterranean climate
Surrey, British Columbia has warm summers and chilly winters. Daytime highs range from about 6°C in December to 22°C in July. January is usually the wettest month, and snow falls in winter. The most comfortable time to visit is typically May to September, when daytime highs sit near 20°C.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | 1° | 7° |
| Spring | Mar–May | 6° | 14° |
| Summer | Jun–Aug | 12° | 22° |
| Autumn | Sep–Nov | 7° | 14° |
How much rain does Surrey get?
Surrey gets 1062 mm of precipitation in an average year, spread over about 161 days with measurable rain. That is more rainy days than 96% of the US.
January is the wettest month, with 157 mm. August is the driest, with 29 mm. December has the most rainy days, about 19.
The longest dry spell in the last five years lasted 31 days, to September 4, 2022.
From October 2025 to September 2026 Surrey got 1491 mm of rain, against a normal of 1062 mm for those months. March 2026 had the most, with 290 mm.
Does it snow in Surrey?
Yes. Surrey gets about 24 cm of snow in an average season, measured at the reporting station.
The snowiest winter on record is 1970–71, with 114 cm.
The most recent measurable snow at the station fell on March 15, 2026.
From October 2025 to September 2026 the station measured 4 cm of snow, against a normal of 24 cm for those months. March 2026 had the most, with 2 cm.
Surrey weather by month
Surrey weather in January
In January, Surrey averages a high of 7°C and a low of 1°C. It gets 157 mm of precipitation over about 19 rainy days. Estimated sunshine is 16% of daylight hours, derived from ERA5 cloud cover. The January record high is 16°C (1981) and the record low is -17°C (1993).
Surrey weather in February
In February, Surrey averages a high of 8°C and a low of 2°C. It gets 86 mm of precipitation over about 15 rainy days. Estimated sunshine is 25% of daylight hours, derived from ERA5 cloud cover. The February record high is 20°C (1986) and the record low is -15°C (1989).
Surrey weather in March
In March, Surrey averages a high of 11°C and a low of 3°C. It gets 107 mm of precipitation over about 18 rainy days. Estimated sunshine is 31% of daylight hours, derived from ERA5 cloud cover. The March record high is 21°C (2019) and the record low is -10°C (1976).
Surrey weather in April
In April, Surrey averages a high of 14°C and a low of 5°C. It gets 75 mm of precipitation over about 15 rainy days. Estimated sunshine is 36% of daylight hours, derived from ERA5 cloud cover. The April record high is 28°C (2016) and the record low is -4°C (1975).
Surrey weather in May
In May, Surrey averages a high of 18°C and a low of 8°C. It gets 65 mm of precipitation over about 11 rainy days. Estimated sunshine is 37% of daylight hours, derived from ERA5 cloud cover. The May record high is 30°C (2016) and the record low is -2°C (2010). May is one of the most comfortable months to visit.
Surrey weather in June
In June, Surrey averages a high of 20°C and a low of 11°C. It gets 49 mm of precipitation over about 10 rainy days. Estimated sunshine is 40% of daylight hours, derived from ERA5 cloud cover. The June record high is 37°C (2021) and the record low is -1°C (2011). June is one of the most comfortable months to visit.
Surrey weather in July
In July, Surrey averages a high of 22°C and a low of 13°C. It gets 29 mm of precipitation over about 6 rainy days. Estimated sunshine is 64% of daylight hours, derived from ERA5 cloud cover. The July record high is 32°C (2021) and the record low is 2°C (2010). July is one of the most comfortable months to visit.
Surrey weather in August
In August, Surrey averages a high of 22°C and a low of 12°C. It gets 29 mm of precipitation over about 6 rainy days. Estimated sunshine is 58% of daylight hours, derived from ERA5 cloud cover. The August record high is 36°C (2021) and the record low is 3°C (1973). August is one of the most comfortable months to visit.
Surrey weather in September
In September, Surrey averages a high of 19°C and a low of 10°C. It gets 56 mm of precipitation over about 9 rainy days. Estimated sunshine is 49% of daylight hours, derived from ERA5 cloud cover. The September record high is 31°C (2017) and the record low is -2°C (1972). September is one of the most comfortable months to visit.
Surrey weather in October
In October, Surrey averages a high of 14°C and a low of 7°C. It gets 112 mm of precipitation over about 15 rainy days. Estimated sunshine is 34% of daylight hours, derived from ERA5 cloud cover. The October record high is 26°C (1984) and the record low is -7°C (1991).
Surrey weather in November
In November, Surrey averages a high of 9°C and a low of 3°C. It gets 154 mm of precipitation over about 19 rainy days. Estimated sunshine is 26% of daylight hours, derived from ERA5 cloud cover. The November record high is 22°C (2016) and the record low is -14°C (1985).
Surrey weather in December
In December, Surrey averages a high of 7°C and a low of 1°C. It gets 143 mm of precipitation over about 19 rainy days. Estimated sunshine is 22% of daylight hours, derived from ERA5 cloud cover. The December record high is 17°C (2014) and the record low is -16°C (1990).
Sunshine, humidity and wind in Surrey
July is the sunniest month in Surrey, with estimated sunshine of 64% of daylight hours from ERA5 cloud cover. January is the cloudiest, at 16%. The annual cloud-cover estimate is 37% of daylight hours; it is not a measurement of sunshine duration. Surrey is cloudier than 94% of the US.
Humidity peaks in January at 84% and is lowest in July at 68%.
Thunderstorms occur on about 2 days a year.
First and last freeze in Surrey
The first fall freeze in Surrey typically comes around October 25, and the last spring freeze around April 13. That leaves a frost-free growing season of about 195 days.
Surrey weather records
These records cover BLAINE during 1970–2026. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Surrey station is 37°C, on June 29, 2021. The coldest is -17°C, on January 6, 1993.
The wettest day in the available station history brought 115 mm of precipitation, on January 23, 2020.
37 all-time records have been set at the station since 1970.
The annual mean temperature has changed by +0.4°C per decade since 1970.
The best time to visit Surrey
The most comfortable time to visit is typically May to September, when daytime highs sit near 20°C.
Winter (December–February) is chilly, with average highs around 7°C and lows near 1°C. Snow is possible.
Spring (March–May) is mild, with average highs around 14°C and lows near 5°C.
Summer (June–August) is warm, with average highs around 21°C and lows near 12°C. It can feel humid.
Autumn (September–November) is mild, with average highs around 14°C and lows near 7°C.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | 1° | 7° | 157 mm | 19 | 84% | 16% | 16° | -17° |
| February | 2° | 8° | 86 mm | 15 | 77% | 25% | 20° | -15° |
| March | 3° | 11° | 107 mm | 18 | 75% | 31% | 21° | -10° |
| April | 5° | 14° | 75 mm | 15 | 70% | 36% | 28° | -4° |
| May | 8° | 18° | 65 mm | 11 | 72% | 37% | 30° | -2° |
| June | 11° | 20° | 49 mm | 10 | 71% | 40% | 37° | -1° |
| July | 13° | 22° | 29 mm | 6 | 68% | 64% | 32° | 2° |
| August | 12° | 22° | 29 mm | 6 | 70% | 58% | 36° | 3° |
| September | 10° | 19° | 56 mm | 9 | 75% | 49% | 31° | -2° |
| October | 7° | 14° | 112 mm | 15 | 82% | 34% | 26° | -7° |
| November | 3° | 9° | 154 mm | 19 | 84% | 26% | 22° | -14° |
| December | 1° | 7° | 143 mm | 19 | 84% | 22% | 17° | -16° |
Station: BLAINE, 13 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1970–2026; record values refer to this station and period, not the entire city’s history. Precipitation includes rain and the water equivalent of frozen precipitation; snowfall depth is shown separately when available. Sources and methods
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Surrey climate questions
How much rain does Surrey get?
Surrey gets 1062 mm of precipitation in an average year, over about 161 rainy days.
What is the wettest month in Surrey?
January is the wettest month in Surrey, with 157 mm. August is the driest, with 29 mm.
How many rainy days does Surrey have a year?
Surrey has about 161 days with measurable rain in an average year. December has the most, about 19.
Does it snow in Surrey?
Yes. Surrey gets about 24 cm of snow in an average season. The snowiest winter on record is 1970–71, with 114 cm.
What is the hottest month in Surrey?
July is the warmest month in Surrey, with an average high of 22°C.
What is the coldest month in Surrey?
January is the coldest month in Surrey, with an average low of 1°C.
What is the record high temperature in Surrey?
Within the available 1970–2026 station history, the record high at the Surrey station is 37°C, set on June 29, 2021. The record low is -17°C, on January 6, 1993.
What is the sunniest month in Surrey?
July is the sunniest month in Surrey, with estimated sunshine of 64% of daylight hours from ERA5 cloud cover. January is the cloudiest.
When is the first frost in Surrey?
The first fall freeze in Surrey typically comes around October 25. The last spring freeze is around April 13.
What is the best time to visit Surrey?
The most comfortable time to visit is typically May to September, when daytime highs sit near 20°C.