Hyperlocal rainfall totals + real-time NOAA forecasts
Accurate weather without the clutter
Swindon, England Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Swindon, England?
Swindon, England gets 684 mm of precipitation a year over about 159 rainy days. July is the warmest month (average high 22°C) and January the coldest (average low 2°C).
Oceanic climate
Swindon, England has warm summers and chilly winters. Daytime highs range from about 7°C in January to 21°C in July. November is usually the wettest month. The most comfortable time to visit is typically June to September, when daytime highs sit near 20°C.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | 2° | 7° |
| Spring | Mar–May | 4° | 13° |
| Summer | Jun–Aug | 11° | 21° |
| Autumn | Sep–Nov | 7° | 14° |
How much rain does Swindon get?
Swindon gets 684 mm of precipitation in an average year, spread over about 159 days with measurable rain. That is fewer rainy days than 92% of the UK.
November is the wettest month, with 76 mm. April is the driest, with 44 mm. November has the most rainy days, about 16.
The longest dry spell in the last five years lasted 11 days, to May 1, 2022.
Swindon weather by month
Swindon weather in January
In January, Swindon averages a high of 7°C and a low of 2°C. It gets 67 mm of precipitation over about 16 rainy days. Estimated sunshine is 30% of daylight hours, derived from ERA5 cloud cover. The January record high is 14°C (1999) and the record low is -16°C (1982).
Swindon weather in February
In February, Swindon averages a high of 8°C and a low of 2°C. It gets 51 mm of precipitation over about 13 rainy days. Estimated sunshine is 25% of daylight hours, derived from ERA5 cloud cover. The February record high is 17°C (1998) and the record low is -11°C (1985).
Swindon weather in March
In March, Swindon averages a high of 11°C and a low of 3°C. It gets 45 mm of precipitation over about 13 rainy days. Estimated sunshine is 29% of daylight hours, derived from ERA5 cloud cover. The March record high is 19°C (1990) and the record low is -7°C (2018).
Swindon weather in April
In April, Swindon averages a high of 13°C and a low of 4°C. It gets 44 mm of precipitation over about 11 rainy days. Estimated sunshine is 37% of daylight hours, derived from ERA5 cloud cover. The April record high is 26°C (2003) and the record low is -4°C (1996).
Swindon weather in May
In May, Swindon averages a high of 16°C and a low of 7°C. It gets 54 mm of precipitation over about 12 rainy days. Estimated sunshine is 34% of daylight hours, derived from ERA5 cloud cover. The May record high is 27°C (2025) and the record low is -2°C (1982).
Swindon weather in June
In June, Swindon averages a high of 19°C and a low of 10°C. It gets 49 mm of precipitation over about 11 rainy days. Estimated sunshine is 39% of daylight hours, derived from ERA5 cloud cover. The June record high is 33°C (1976) and the record low is 2°C (1975). June is one of the most comfortable months to visit.
Swindon weather in July
In July, Swindon averages a high of 22°C and a low of 12°C. It gets 53 mm of precipitation over about 11 rainy days. Estimated sunshine is 33% of daylight hours, derived from ERA5 cloud cover. The July record high is 35°C (2022) and the record low is 6°C (1984). July is one of the most comfortable months to visit.
Swindon weather in August
In August, Swindon averages a high of 21°C and a low of 12°C. It gets 59 mm of precipitation over about 12 rainy days. Estimated sunshine is 32% of daylight hours, derived from ERA5 cloud cover. The August record high is 35°C (1990) and the record low is 5°C (2012). August is one of the most comfortable months to visit.
Swindon weather in September
In September, Swindon averages a high of 18°C and a low of 9°C. It gets 47 mm of precipitation over about 11 rainy days. Estimated sunshine is 30% of daylight hours, derived from ERA5 cloud cover. The September record high is 29°C (2023) and the record low is 1°C (1979). September is one of the most comfortable months to visit.
Swindon weather in October
In October, Swindon averages a high of 14°C and a low of 7°C. It gets 71 mm of precipitation over about 15 rainy days. Estimated sunshine is 24% of daylight hours, derived from ERA5 cloud cover. The October record high is 27°C (2011) and the record low is -3°C (1993).
Swindon weather in November
In November, Swindon averages a high of 10°C and a low of 4°C. It gets 76 mm of precipitation over about 16 rainy days. Estimated sunshine is 26% of daylight hours, derived from ERA5 cloud cover. The November record high is 17°C (2022) and the record low is -8°C (1993).
Swindon weather in December
In December, Swindon averages a high of 7°C and a low of 2°C. It gets 69 mm of precipitation over about 16 rainy days. Estimated sunshine is 21% of daylight hours, derived from ERA5 cloud cover. The December record high is 14°C (1985) and the record low is -14°C (1981).
Sunshine, humidity and wind in Swindon
June is the sunniest month in Swindon, with estimated sunshine of 39% of daylight hours from ERA5 cloud cover. December is the cloudiest, at 21%. The annual cloud-cover estimate is 30% of daylight hours; it is not a measurement of sunshine duration. Swindon is sunnier than 55% of the UK.
Humidity peaks in December at 90% and is lowest in April at 71%.
First and last freeze in Swindon
The first fall freeze in Swindon typically comes around November 15, and the last spring freeze around April 15. That leaves a frost-free growing season of about 214 days.
Swindon weather records
These records cover LYNEHAM during 1973–2025. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Swindon station is 35°C, on August 3, 1990. The coldest is -16°C, on January 14, 1982.
The wettest day in the available station history brought 99 mm of precipitation, on August 12, 1974.
34 all-time records have been set at the station since 1973.
The best time to visit Swindon
The most comfortable time to visit is typically June to September, when daytime highs sit near 20°C.
Winter (December–February) is chilly, with average highs around 7°C and lows near 2°C.
Spring (March–May) is mild, with average highs around 13°C and lows near 5°C.
Summer (June–August) is warm, with average highs around 21°C and lows near 11°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 | 2° | 7° | 67 mm | 16 | 88% | 30% | 14° | -16° |
| February | 2° | 8° | 51 mm | 13 | 84% | 25% | 17° | -11° |
| March | 3° | 11° | 45 mm | 13 | 80% | 29% | 19° | -7° |
| April | 4° | 13° | 44 mm | 11 | 71% | 37% | 26° | -4° |
| May | 7° | 16° | 54 mm | 12 | 73% | 34% | 27° | -2° |
| June | 10° | 19° | 49 mm | 11 | 71% | 39% | 33° | 2° |
| July | 12° | 22° | 53 mm | 11 | 72% | 33% | 35° | 6° |
| August | 12° | 21° | 59 mm | 12 | 74% | 32% | 35° | 5° |
| September | 9° | 18° | 47 mm | 11 | 80% | 30% | 29° | 1° |
| October | 7° | 14° | 71 mm | 15 | 86% | 24% | 27° | -3° |
| November | 4° | 10° | 76 mm | 16 | 88% | 26% | 17° | -8° |
| December | 2° | 7° | 69 mm | 16 | 90% | 21% | 14° | -14° |
Station: LYNEHAM, 16 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1973–2025; 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.
Swindon climate questions
How much rain does Swindon get?
Swindon gets 684 mm of precipitation in an average year, over about 159 rainy days.
What is the wettest month in Swindon?
November is the wettest month in Swindon, with 76 mm. April is the driest, with 44 mm.
How many rainy days does Swindon have a year?
Swindon has about 159 days with measurable rain in an average year. November has the most, about 16.
What is the hottest month in Swindon?
July is the warmest month in Swindon, with an average high of 22°C.
What is the coldest month in Swindon?
January is the coldest month in Swindon, with an average low of 2°C.
What is the record high temperature in Swindon?
Within the available 1973–2025 station history, the record high at the Swindon station is 35°C, set on August 3, 1990. The record low is -16°C, on January 14, 1982.
What is the sunniest month in Swindon?
June is the sunniest month in Swindon, with estimated sunshine of 39% of daylight hours from ERA5 cloud cover. December is the cloudiest.
When is the first frost in Swindon?
The first fall freeze in Swindon typically comes around November 15. The last spring freeze is around April 15.
What is the best time to visit Swindon?
The most comfortable time to visit is typically June to September, when daytime highs sit near 20°C.