Gillingham, England Weather by Month and Climate Averages

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 45 days, to July 31, 2026.

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. The sun is out about 31% of daylight hours. 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. The sun is out about 28% of daylight hours. 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. The sun is out about 32% of daylight hours. 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. The sun is out about 39% of daylight hours. 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. The sun is out about 36% of daylight hours. 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. The sun is out about 40% of daylight hours. 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. The sun is out about 36% of daylight hours. 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. The sun is out about 38% of daylight hours. 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. The sun is out about 34% of daylight hours. 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. The sun is out about 27% of daylight hours. 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. The sun is out about 29% of daylight hours. 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. The sun is out about 22% of daylight hours. 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 sunshine about 40% of daylight hours. December is the cloudiest, at 22%. Over the year the sun shines about 33% of daylight hours. 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

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 on record brought 55 mm of rain, 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.

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?

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 sunshine about 40% of daylight hours. 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.