Climate at a glance · Southend-on-Sea
Annual mean12°day and night
Precipitation713 mma year
Warmest monthJulyavg high 23°
Coldest monthJanuaryavg low 2°
Average temperature by month
High · lowJanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation by month
713 mm a yearJanFebMarAprMayJunJulAugSepOctNovDec
Monthly averages
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 7° | 10° | 11° | 13° | 17° | 21° | 23° | 23° | 20° | 16° | 11° | 9° |
| Avg low | 2° | 4° | 4° | 5° | 9° | 13° | 15° | 15° | 13° | 10° | 6° | 5° |
| Precip, mm | 65 | 53 | 55 | 43 | 54 | 52 | 68 | 46 | 57 | 84 | 77 | 59 |
| Wet days | 11 | 11 | 12 | 9 | 13 | 7 | 13 | 7 | 12 | 12 | 11 | 12 |
| Sunshine | 4.4 h | 4.8 h | 7 h | 10.2 h | 10.8 h | 12.5 h | 11.7 h | 10.8 h | 8.9 h | 6.4 h | 4.5 h | 3.3 h |
| Humidity | 86% | 83% | 80% | 74% | 75% | 71% | 71% | 72% | 77% | 82% | 85% | 87% |
| Sea temperature | 8° | 6° | 7° | 11° | 14° | 18° | 21° | 20° | 18° | 15° | 13° | 10° |
| Daylight | 8 h 26 | 10 h 00 | 11 h 55 | 13 h 54 | 15 h 39 | 16 h 34 | 16 h 06 | 14 h 33 | 12 h 38 | 10 h 39 | 8 h 52 | 7 h 55 |
| UV index (clear sky) | 1 | 2 | 4 | 7 | 9 | 9 | 9 | 8 | 5 | 3 | 1 | 1 |
5-year averages (2021–2025) · Open-Meteo historical weather (ERA5)
51.5380°N, 0.7140°E