- WinterDec–Feb3°9°
- December3°9°
- January3°8°
- February3°9°
- SpringMar–May7°15°
- March4°12°
- April6°15°
- May9°18°
- SummerJun–Aug13°23°
- June12°22°
- July14°24°
- August14°23°
- AutumnSep–Nov8°16°
- September12°20°
- October9°16°
- November5°12°
Southend-on-Sea, England Weather by Month and Climate Averages
Southend-on-Sea, England gets 614 mm of precipitation a year over about 172 rainy days. July is the warmest month (average high 24°C) and January the coldest (average low 3°C).
Southend-on-Sea climate at a glance
Oceanic climate
Southend-on-Sea, England has warm summers and chilly winters. Daytime highs range from about 9°C in January to 24°C in July. November is usually the wettest month. The most comfortable time to visit is typically May to September, when daytime highs sit near 21°C.
How much rain does Southend-on-Sea get?
Southend-on-Sea gets 614 mm of precipitation in an average year, spread over about 172 days with measurable rain. That is fewer rainy days than 75% of the UK.
November is the wettest month, with 67 mm. March is the driest, with 39 mm. January has the most rainy days, about 18.
The longest dry spell in the last five years lasted 39 days, to July 31, 2026.
Southend-on-Sea weather by month
Southend-on-Sea weather in January
In January, Southend-on-Sea averages a high of 8°C and a low of 3°C. It gets 59 mm of precipitation over about 18 rainy days. The sun is out about 31% of daylight hours. The January record high is 16°C (1999) and the record low is -10°C (1982).
Southend-on-Sea weather in February
In February, Southend-on-Sea averages a high of 9°C and a low of 3°C. It gets 45 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 -9°C (1986).
Southend-on-Sea weather in March
In March, Southend-on-Sea averages a high of 12°C and a low of 4°C. It gets 39 mm of precipitation over about 13 rainy days. The sun is out about 33% of daylight hours. The March record high is 24°C (2021) and the record low is -5°C (2018).
Southend-on-Sea weather in April
In April, Southend-on-Sea averages a high of 15°C and a low of 6°C. It gets 42 mm of precipitation over about 13 rainy days. The sun is out about 40% of daylight hours. The April record high is 28°C (2018) and the record low is -3°C (1984).
Southend-on-Sea weather in May
In May, Southend-on-Sea averages a high of 18°C and a low of 9°C. It gets 46 mm of precipitation over about 12 rainy days. The sun is out about 38% of daylight hours. The May record high is 35°C (2026) and the record low is -1°C (1979). May is one of the most comfortable months to visit.
Southend-on-Sea weather in June
In June, Southend-on-Sea averages a high of 22°C and a low of 12°C. It gets 45 mm of precipitation over about 12 rainy days. The sun is out about 41% of daylight hours. The June record high is 37°C (2026) and the record low is 3°C (1991). June is one of the most comfortable months to visit.
Southend-on-Sea weather in July
In July, Southend-on-Sea averages a high of 24°C and a low of 14°C. It gets 46 mm of precipitation over about 12 rainy days. The sun is out about 38% of daylight hours. The July record high is 40°C (2022) and the record low is 7°C (1993). July is one of the most comfortable months to visit.
Southend-on-Sea weather in August
In August, Southend-on-Sea averages a high of 23°C and a low of 14°C. It gets 54 mm of precipitation over about 13 rainy days. The sun is out about 41% of daylight hours. The August record high is 38°C (2003) and the record low is 6°C (1979). August is one of the most comfortable months to visit.
Southend-on-Sea weather in September
In September, Southend-on-Sea averages a high of 20°C and a low of 12°C. It gets 50 mm of precipitation over about 13 rainy days. The sun is out about 35% of daylight hours. The September record high is 33°C (2023) and the record low is 2°C (1974). September is one of the most comfortable months to visit.
Southend-on-Sea weather in October
In October, Southend-on-Sea averages a high of 16°C and a low of 9°C. It gets 65 mm of precipitation over about 17 rainy days. The sun is out about 28% of daylight hours. The October record high is 28°C (2011) and the record low is -2°C (1997).
Southend-on-Sea weather in November
In November, Southend-on-Sea averages a high of 12°C and a low of 5°C. It gets 67 mm of precipitation over about 18 rainy days. The sun is out about 30% of daylight hours. The November record high is 18°C (1996) and the record low is -7°C (1983).
Southend-on-Sea weather in December
In December, Southend-on-Sea averages a high of 9°C and a low of 3°C. It gets 57 mm of precipitation over about 18 rainy days. The sun is out about 23% of daylight hours. The December record high is 17°C (1985) and the record low is -12°C (1981).
Sunshine, humidity and wind in Southend-on-Sea
June is the sunniest month in Southend-on-Sea, with sunshine about 41% of daylight hours. December is the cloudiest, at 23%. Over the year the sun shines about 34% of daylight hours. Southend-on-Sea is sunnier than 87% of the UK.
Humidity peaks in December at 87% and is lowest in July at 74%.
Southend-on-Sea has about 4 days a year above 32°C.
First and last freeze in Southend-on-Sea
The first fall freeze in Southend-on-Sea typically comes around November 17, and the last spring freeze around April 6. That leaves a frost-free growing season of about 225 days.
Southend-on-Sea weather records
The hottest temperature on record at the Southend-on-Sea station is 40°C, on July 18, 2022. The coldest is -12°C, on December 13, 1981.
The wettest day on record brought 62 mm of rain, on May 29, 1992.
40 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 Southend-on-Sea
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 3°C.
Spring (March–May) is mild, with average highs around 15°C and lows near 6°C.
Summer (June–August) is warm, with average highs around 23°C and lows near 13°C. It can feel humid.
Autumn (September–November) is mild, with average highs around 16°C and lows near 8°C.
Monthly climate
| Month | Precip | Rain days | Humidity | Sunshine | Sea temp | Record high | Record low |
|---|---|---|---|---|---|---|---|
| January | 59 mm | 18 | 86% | 31% | -14° | 16° | -10° |
| February | 45 mm | 15 | 82% | 28% | -14° | 20° | -9° |
| March | 39 mm | 13 | 80% | 33% | -14° | 24° | -5° |
| April | 42 mm | 13 | 75% | 40% | -12° | 28° | -3° |
| May | 46 mm | 12 | 77% | 38% | -10° | 35° | -1° |
| June | 45 mm | 12 | 75% | 41% | -8° | 37° | 3° |
| July | 46 mm | 12 | 74% | 38% | -7° | 40° | 7° |
| August | 54 mm | 13 | 76% | 41% | -7° | 38° | 6° |
| September | 50 mm | 13 | 80% | 35% | -8° | 33° | 2° |
| October | 65 mm | 17 | 84% | 28% | -10° | 28° | -2° |
| November | 67 mm | 18 | 86% | 30% | -12° | 18° | -7° |
| December | 57 mm | 18 | 87% | 23% | -14° | 17° | -12° |
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Southend-on-Sea climate questions
How much rain does Southend-on-Sea get?
Southend-on-Sea gets 614 mm of precipitation in an average year, over about 172 rainy days.
What is the wettest month in Southend-on-Sea?
November is the wettest month in Southend-on-Sea, with 67 mm. March is the driest, with 39 mm.
How many rainy days does Southend-on-Sea have a year?
Southend-on-Sea has about 172 days with measurable rain in an average year. January has the most, about 18.
What is the hottest month in Southend-on-Sea?
July is the warmest month in Southend-on-Sea, with an average high of 24°C.
What is the coldest month in Southend-on-Sea?
January is the coldest month in Southend-on-Sea, with an average low of 3°C.
What is the record high temperature in Southend-on-Sea?
The record high at the Southend-on-Sea station is 40°C, set on July 18, 2022. The record low is -12°C, on December 13, 1981.
What is the sunniest month in Southend-on-Sea?
June is the sunniest month in Southend-on-Sea, with sunshine about 41% of daylight hours. December is the cloudiest.
When is the first frost in Southend-on-Sea?
The first fall freeze in Southend-on-Sea typically comes around November 17. The last spring freeze is around April 6.
What is the best time to visit Southend-on-Sea?
The most comfortable time to visit is typically May to September, when daytime highs sit near 21°C.
Source: NOAA GHCN-Daily station HEATHROW (20 km away).
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See the forecast and climate for Southend-on-Sea, England.
Climate for places near Southend-on-Sea, England
Normals from NOAA GHCN-Daily station HEATHROW.