Swindon, England Weather by Month and Climate Averages

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. The sun is out about 30% of daylight hours. 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. The sun is out about 25% of daylight hours. 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. The sun is out about 29% of daylight hours. 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. The sun is out about 37% of daylight hours. 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. The sun is out about 34% of daylight hours. 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. The sun is out about 39% of daylight hours. 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. The sun is out about 33% of daylight hours. 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. The sun is out about 32% of daylight hours. 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. The sun is out about 30% of daylight hours. 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. The sun is out about 24% of daylight hours. 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. The sun is out about 26% of daylight hours. 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. The sun is out about 21% of daylight hours. 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 sunshine about 39% of daylight hours. December is the cloudiest, at 21%. Over the year the sun shines about 30% of daylight hours. 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

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 on record brought 99 mm of rain, 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.

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?

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 sunshine about 39% of daylight hours. 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.