Hyperlocal rainfall totals + real-time NOAA forecasts
Accurate weather without the clutter
Gillingham, 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 Gillingham, England?
Gillingham, England gets 641 mm of precipitation a year over about 169 rainy days. July is the warmest month (average high 23°C) and January the coldest (average low 2°C).
Oceanic climate
Gillingham, England has warm summers and chilly winters. Daytime highs range from about 8°C in January to 24°C in July. October is usually the wettest month. The most comfortable time to visit is typically May to September, when daytime highs sit near 21°C.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | 2° | 9° |
| Spring | Mar–May | 5° | 15° |
| Summer | Jun–Aug | 12° | 22° |
| Autumn | Sep–Nov | 7° | 16° |
How much rain does Gillingham get?
Gillingham gets 641 mm of precipitation in an average year, spread over about 169 days with measurable rain. That is fewer rainy days than 79% of the UK.
October is the wettest month, with 71 mm. March is the driest, with 36 mm. November has the most rainy days, about 18.
The longest dry spell in the last five years lasted 62 days, to August 17, 2026.
From October 2025 to September 2026 Gillingham got 478 mm of rain, against a normal of 641 mm for those months. January 2026 had the most, with 123 mm.
Gillingham weather by month
Gillingham weather in January
In January, Gillingham averages a high of 8°C and a low of 2°C. It gets 63 mm of precipitation over about 18 rainy days. Estimated sunshine is 31% of daylight hours, derived from ERA5 cloud cover. The January record high is 17°C (2003) and the record low is -15°C (1982).
Gillingham weather in February
In February, Gillingham averages a high of 9°C and a low of 2°C. It gets 46 mm of precipitation over about 15 rainy days. Estimated sunshine is 28% of daylight hours, derived from ERA5 cloud cover. The February record high is 20°C (2019) and the record low is -13°C (1986).
Gillingham weather in March
In March, Gillingham averages a high of 12°C and a low of 3°C. It gets 36 mm of precipitation over about 14 rainy days. Estimated sunshine is 32% of daylight hours, derived from ERA5 cloud cover. The March record high is 23°C (2021) and the record low is -7°C (2004).
Gillingham weather in April
In April, Gillingham averages a high of 15°C and a low of 4°C. It gets 44 mm of precipitation over about 12 rainy days. Estimated sunshine is 39% of daylight hours, derived from ERA5 cloud cover. The April record high is 29°C (2025) and the record low is -5°C (2022).
Gillingham weather in May
In May, Gillingham averages a high of 18°C and a low of 7°C. It gets 44 mm of precipitation over about 12 rainy days. Estimated sunshine is 36% of daylight hours, derived from ERA5 cloud cover. The May record high is 34°C (2026) and the record low is -3°C (1980). May is one of the most comfortable months to visit.
Gillingham weather in June
In June, Gillingham averages a high of 21°C and a low of 11°C. It gets 47 mm of precipitation over about 11 rainy days. Estimated sunshine is 40% of daylight hours, derived from ERA5 cloud cover. The June record high is 36°C (2026) and the record low is 0°C (1989). June is one of the most comfortable months to visit.
Gillingham weather in July
In July, Gillingham averages a high of 23°C and a low of 12°C. It gets 47 mm of precipitation over about 11 rainy days. Estimated sunshine is 36% of daylight hours, derived from ERA5 cloud cover. The July record high is 39°C (2022) and the record low is 4°C (1993). July is one of the most comfortable months to visit.
Gillingham weather in August
In August, Gillingham averages a high of 23°C and a low of 12°C. It gets 56 mm of precipitation over about 12 rainy days. Estimated sunshine is 38% of daylight hours, derived from ERA5 cloud cover. The August record high is 38°C (2003) and the record low is 1°C (1974). August is one of the most comfortable months to visit.
Gillingham weather in September
In September, Gillingham averages a high of 19°C and a low of 10°C. It gets 53 mm of precipitation over about 12 rainy days. Estimated sunshine is 34% of daylight hours, derived from ERA5 cloud cover. The September record high is 33°C (2023) and the record low is -1°C (2018). September is one of the most comfortable months to visit.
Gillingham weather in October
In October, Gillingham averages a high of 16°C and a low of 7°C. It gets 71 mm of precipitation over about 17 rainy days. Estimated sunshine is 27% of daylight hours, derived from ERA5 cloud cover. The October record high is 28°C (2011) and the record low is -6°C (1997).
Gillingham weather in November
In November, Gillingham averages a high of 11°C and a low of 4°C. It gets 71 mm of precipitation over about 18 rainy days. Estimated sunshine is 29% of daylight hours, derived from ERA5 cloud cover. The November record high is 19°C (2003) and the record low is -8°C (1985).
Gillingham weather in December
In December, Gillingham averages a high of 9°C and a low of 2°C. It gets 63 mm of precipitation over about 18 rainy days. Estimated sunshine is 22% of daylight hours, derived from ERA5 cloud cover. The December record high is 17°C (1985) and the record low is -14°C (1981).
Sunshine, humidity and wind in Gillingham
June is the sunniest month in Gillingham, with estimated sunshine of 40% of daylight hours from ERA5 cloud cover. December is the cloudiest, at 22%. The annual cloud-cover estimate is 33% of daylight hours; it is not a measurement of sunshine duration. Gillingham is sunnier than 79% of the UK.
Humidity peaks in December at 88% and is lowest in July at 71%.
Gillingham has about 4 days a year above 32°C.
First and last freeze in Gillingham
The first fall freeze in Gillingham typically comes around October 21, and the last spring freeze around April 30. That leaves a frost-free growing season of about 174 days.
Gillingham weather records
These records cover WISLEY during 1970–2026. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Gillingham station is 39°C, on July 18, 2022. The coldest is -15°C, on January 14, 1982.
The wettest day in the available station history brought 55 mm of precipitation, on September 20, 1973.
40 all-time records have been set at the station since 1970.
The annual mean temperature has changed by +0.3°C per decade since 1970.
The best time to visit Gillingham
The most comfortable time to visit is typically May to September, when daytime highs sit near 21°C.
Winter (December–February) is chilly, with average highs around 9°C and lows near 2°C.
Spring (March–May) is mild, with average highs around 15°C and lows near 5°C.
Summer (June–August) is warm, with average highs around 22°C and lows near 12°C. It can feel humid.
Autumn (September–November) is mild, with average highs around 16°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° | 8° | 63 mm | 18 | 86% | 31% | 17° | -15° |
| February | 2° | 9° | 46 mm | 15 | 82% | 28% | 20° | -13° |
| March | 3° | 12° | 36 mm | 14 | 79% | 32% | 23° | -7° |
| April | 4° | 15° | 44 mm | 12 | 72% | 39% | 29° | -5° |
| May | 7° | 18° | 44 mm | 12 | 74% | 36% | 34° | -3° |
| June | 11° | 21° | 47 mm | 11 | 72% | 40% | 36° | 0° |
| July | 12° | 23° | 47 mm | 11 | 71% | 36% | 39° | 4° |
| August | 12° | 23° | 56 mm | 12 | 74% | 38% | 38° | 1° |
| September | 10° | 19° | 53 mm | 12 | 79% | 34% | 33° | -1° |
| October | 7° | 16° | 71 mm | 17 | 85% | 27% | 28° | -6° |
| November | 4° | 11° | 71 mm | 18 | 87% | 29% | 19° | -8° |
| December | 2° | 9° | 63 mm | 18 | 88% | 22% | 17° | -14° |
Station: WISLEY, 10 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.
Gillingham climate questions
How much rain does Gillingham get?
Gillingham gets 641 mm of precipitation in an average year, over about 169 rainy days.
What is the wettest month in Gillingham?
October is the wettest month in Gillingham, with 71 mm. March is the driest, with 36 mm.
How many rainy days does Gillingham have a year?
Gillingham has about 169 days with measurable rain in an average year. November has the most, about 18.
What is the hottest month in Gillingham?
July is the warmest month in Gillingham, with an average high of 23°C.
What is the coldest month in Gillingham?
January is the coldest month in Gillingham, with an average low of 2°C.
What is the record high temperature in Gillingham?
Within the available 1970–2026 station history, the record high at the Gillingham station is 39°C, set on July 18, 2022. The record low is -15°C, on January 14, 1982.
What is the sunniest month in Gillingham?
June is the sunniest month in Gillingham, with estimated sunshine of 40% of daylight hours from ERA5 cloud cover. December is the cloudiest.
When is the first frost in Gillingham?
The first fall freeze in Gillingham typically comes around October 21. The last spring freeze is around April 30.
What is the best time to visit Gillingham?
The most comfortable time to visit is typically May to September, when daytime highs sit near 21°C.