Southend-on-Sea, England, United Kingdom climate
Average temperatures, precipitation and all-time records for Southend-on-Sea, England, United Kingdom, with every day graded against ~46 years of local climate history (1980–2026). Its warmest month is August, averaging a high of 22°C, and its coldest is January, with an average low of 3°C.
Southend-on-Sea, commonly referred to as Southend, is a coastal city and unitary authority area in south-eastern Essex, England. It lies on the north side of the Thames Estuary, 40 miles (64 km) east of central London. It is bordered to the north by Rochford and to the west by Castle Point. via Wikipedia
How today compares
Latest recorded day: 2026-10-18. Each reading placed on Southend-on-Sea, England, United Kingdom's own ±7-day seasonal distribution.
Southend-on-Sea average temperatures by month
Typical daily high and low, and average precipitation, for each month in Southend-on-Sea, England, United Kingdom, based on 1980–2026 records. The wettest month is January (3 mm on an average day).
| Month | Avg high | Avg low | Avg precip |
|---|---|---|---|
| January | 7°C | 3°C | 3 mm |
| February | 7°C | 3°C | 3 mm |
| March | 10°C | 4°C | 3 mm |
| April | 13°C | 5°C | 3 mm |
| May | 16°C | 9°C | 3 mm |
| June | 19°C | 12°C | 3 mm |
| July | 21°C | 14°C | 3 mm |
| August | 22°C | 14°C | 3 mm |
| September | 19°C | 12°C | 3 mm |
| October | 15°C | 9°C | 3 mm |
| November | 10°C | 6°C | 3 mm |
| December | 8°C | 4°C | 3 mm |
Each bar spans the 10th-percentile daily low to the 90th-percentile daily high (the range most days fall within), coloured cold → hot on a shared -23°C to 46°C scale, so the whole year's rhythm reads at a glance.
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Record extremes
- Hottest day on record: 36°C on 2022-07-19
- Coldest day on record: -11°C on 1987-01-13
Percentiles compare each day to Southend-on-Sea, England, United Kingdom's own history, so grades are relative to this location: a “Near Record” day here isn't the same temperature as elsewhere. How the grades work →