Southend-on-Sea weather in August
In August, Southend-on-Sea sees average daytime highs of 20°C and overnight lows near 15°C, with 63 mm of rain across 10.2 wet days and about 14.4 hours of daylight. It is the 1st-warmest and 5th-wettest month of the year here.
Day-to-day highs hold fairly steady near 20°C through the month. The sky is clear or mostly clear about 19% of the time in August, and the air most often feels comfortable.
Daylight stretches from about 15 h 18 min at the start of August to 13 h 30 min by month's end. Set against the rest of the year, August is Southend-on-Sea's 2nd-clearest and 11th-windiest month. For the whole year in context, see Southend-on-Sea's year-round climate.
- Daytime high
- 20°
- 1st warmest
- Overnight low
- 15°
- 12th coldest
- Rainfall
- 63 mm
- 10.2 wet days
- Daylight
- 14 h 24 min
- 4:49 AM – 7:14 PM
- Cloud cover
- 64%
- 2nd clearest
- Wind
- 16 km/h
- 11th windiest
- Solar energy
- 4.7 kWh/m²
- Travel score
- 6.2
- out of 10
Southend-on-Sea is city in Essex, United Kingdom.
- Air quality
- Moderate
- PM2.5 10.6 µg/m³ · 2019
- Density
- 7,072/km²
- people per km²
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in August
Day-to-day highs hold fairly steady near 20°C through the month.
A typical August day in Southend-on-Sea reaches about 20°C in the afternoon and slips back to 15°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 23°C. Set against its neighbours, August runs on par with July and about 3°C warmer than September.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 19 | 19 | 19 | 19 |
| Avg low (°C) | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 21 | 15 |
| 2 | 21 | 15 |
| 3 | 21 | 15 |
| 4 | 21 | 15 |
| 5 | 21 | 15 |
| 6 | 21 | 15 |
| 7 | 21 | 15 |
| 8 | 21 | 15 |
| 9 | 21 | 15 |
| 10 | 21 | 15 |
| 11 | 21 | 15 |
| 12 | 21 | 15 |
| 13 | 21 | 15 |
| 14 | 20 | 15 |
| 15 | 20 | 15 |
| 16 | 20 | 15 |
| 17 | 20 | 15 |
| 18 | 20 | 15 |
| 19 | 20 | 15 |
| 20 | 20 | 15 |
| 21 | 20 | 15 |
| 22 | 20 | 15 |
| 23 | 20 | 15 |
| 24 | 20 | 15 |
| 25 | 20 | 15 |
| 26 | 20 | 15 |
| 27 | 20 | 14 |
| 28 | 19 | 14 |
| 29 | 19 | 14 |
| 30 | 19 | 14 |
| 31 | 19 | 14 |
How August really feels in Southend-on-Sea
Once humidity and wind are folded in, August averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
August sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Southend-on-Sea weather by month
How August compares with the rest of the year at a glance. August is the 1st-warmest and 5th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 7° / 4° | 67 | 13.3 | 0.7 | 8.1 | 0.9 |
| Feb | 7° / 4° | 54 | 10.8 | 1.1 | 9.6 | 1.0 |
| Mar | 9° / 5° | 46 | 10.2 | 0.4 | 11.5 | 1.8 |
| Apr | 12° / 7° | 47 | 10 | 0 | 13.5 | 3.0 |
| May | 15° / 10° | 53 | 9.6 | 0 | 15.3 | 4.3 |
| Jun | 18° / 13° | 55 | 9.8 | 0 | 16.3 | 5.6 |
| Jul | 20° / 15° | 56 | 11 | 0 | 15.9 | 6.1 |
| Aug | 20° / 15° | 63 | 10.2 | 0 | 14.4 | 6.2 |
| Sep | 18° / 13° | 56 | 10.3 | 0 | 12.4 | 5.6 |
| Oct | 14° / 10° | 73 | 12.3 | 0 | 10.4 | 4.0 |
| Nov | 11° / 7° | 71 | 12.5 | 0.1 | 8.6 | 2.3 |
| Dec | 8° / 5° | 74 | 12.7 | 0.8 | 7.7 | 1.3 |
Cloud cover in August
The sky is clear or mostly clear about 19% of the time in August.
Beyond those clear spells, partly cloudy skies cover about 21% of August, with mostly cloudy or overcast conditions the remaining 61%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 40 | 40 | 41 | 40 | 41 | 41 | 40 | 41 | 41 | 41 | 41 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 40 | 39 | 39 | 39 | 39 | 38 | 38 | 38 | 38 | 38 | 38 | 37 |
| Cloudier (%) | 60 | 60 | 59 | 60 | 59 | 59 | 60 | 59 | 59 | 59 | 59 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 60 | 61 | 61 | 61 | 61 | 62 | 62 | 62 | 62 | 62 | 62 | 63 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 40 | 60 |
| 2 | 40 | 60 |
| 3 | 41 | 59 |
| 4 | 40 | 60 |
| 5 | 41 | 59 |
| 6 | 41 | 59 |
| 7 | 40 | 60 |
| 8 | 41 | 59 |
| 9 | 41 | 59 |
| 10 | 41 | 59 |
| 11 | 41 | 59 |
| 12 | 40 | 60 |
| 13 | 40 | 60 |
| 14 | 40 | 60 |
| 15 | 40 | 60 |
| 16 | 40 | 60 |
| 17 | 40 | 60 |
| 18 | 40 | 60 |
| 19 | 40 | 60 |
| 20 | 40 | 60 |
| 21 | 39 | 61 |
| 22 | 39 | 61 |
| 23 | 39 | 61 |
| 24 | 39 | 61 |
| 25 | 38 | 62 |
| 26 | 38 | 62 |
| 27 | 38 | 62 |
| 28 | 38 | 62 |
| 29 | 38 | 62 |
| 30 | 38 | 62 |
| 31 | 37 | 63 |
Chance of precipitation in August
Southend-on-Sea gets around 63 mm of rain over 10.2 wet days in August. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 33% and peaks near 35% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 33 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 35 | 35 | 35 | 34 | 34 | 34 | 34 | 34 | 34 | 33 | 33 | 32 | 32 | 32 | 32 | 31 | 31 | 31 | 31 |
| Rain chance (%) | |
|---|---|
| 1 | 33 |
| 2 | 34 |
| 3 | 34 |
| 4 | 34 |
| 5 | 34 |
| 6 | 34 |
| 7 | 34 |
| 8 | 34 |
| 9 | 34 |
| 10 | 34 |
| 11 | 34 |
| 12 | 34 |
| 13 | 35 |
| 14 | 35 |
| 15 | 35 |
| 16 | 34 |
| 17 | 34 |
| 18 | 34 |
| 19 | 34 |
| 20 | 34 |
| 21 | 34 |
| 22 | 33 |
| 23 | 33 |
| 24 | 32 |
| 25 | 32 |
| 26 | 32 |
| 27 | 32 |
| 28 | 31 |
| 29 | 31 |
| 30 | 31 |
| 31 | 31 |
Humidity in August
Most of August feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, August lands in the comfortable band about 44% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 30 | 30 | 30 | 30 | 31 | 31 | 31 | 32 | 32 | 33 | 34 | 34 | 35 | 35 | 36 | 36 | 37 | 38 | 38 | 39 | 40 | 41 | 43 | 44 | 45 | 47 | 48 | 49 | 50 | 52 | 53 |
| Comfortable (%) | 51 | 51 | 51 | 51 | 50 | 50 | 49 | 49 | 48 | 47 | 47 | 46 | 46 | 45 | 45 | 44 | 44 | 44 | 44 | 43 | 43 | 42 | 41 | 41 | 40 | 39 | 39 | 38 | 38 | 37 | 36 |
| Humid (%) | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 16 | 16 | 15 | 15 | 14 | 14 | 13 | 12 | 12 | 11 | 11 |
| Muggy (%) | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | |
|---|---|---|---|---|
| 1 | 30 | 51 | 18 | 1 |
| 2 | 30 | 51 | 18 | 1 |
| 3 | 30 | 51 | 18 | 1 |
| 4 | 30 | 51 | 18 | 1 |
| 5 | 31 | 50 | 18 | 1 |
| 6 | 31 | 50 | 18 | 1 |
| 7 | 31 | 49 | 18 | 2 |
| 8 | 32 | 49 | 18 | 2 |
| 9 | 32 | 48 | 18 | 2 |
| 10 | 33 | 47 | 18 | 2 |
| 11 | 34 | 47 | 18 | 2 |
| 12 | 34 | 46 | 18 | 2 |
| 13 | 35 | 46 | 18 | 2 |
| 14 | 35 | 45 | 18 | 2 |
| 15 | 36 | 45 | 18 | 2 |
| 16 | 36 | 44 | 18 | 2 |
| 17 | 37 | 44 | 17 | 2 |
| 18 | 38 | 44 | 17 | 1 |
| 19 | 38 | 44 | 17 | 1 |
| 20 | 39 | 43 | 17 | 1 |
| 21 | 40 | 43 | 16 | 1 |
| 22 | 41 | 42 | 16 | 1 |
| 23 | 43 | 41 | 15 | 1 |
| 24 | 44 | 41 | 15 | 0 |
| 25 | 45 | 40 | 14 | 0 |
| 26 | 47 | 39 | 14 | 0 |
| 27 | 48 | 39 | 13 | 0 |
| 28 | 49 | 38 | 12 | 0 |
| 29 | 50 | 38 | 12 | 0 |
| 30 | 52 | 37 | 11 | 0 |
| 31 | 53 | 36 | 11 | 0 |
Wind in August
Winds average 16 km/h in August.
Across August, daily wind ranges from about 16 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 17 | 17 | 17 | 17 | 17 | 17 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 16 | light breeze |
| 2 | 16 | light breeze |
| 3 | 16 | light breeze |
| 4 | 16 | light breeze |
| 5 | 16 | light breeze |
| 6 | 16 | light breeze |
| 7 | 16 | light breeze |
| 8 | 16 | light breeze |
| 9 | 16 | light breeze |
| 10 | 16 | light breeze |
| 11 | 16 | light breeze |
| 12 | 16 | light breeze |
| 13 | 16 | light breeze |
| 14 | 16 | light breeze |
| 15 | 16 | light breeze |
| 16 | 16 | light breeze |
| 17 | 16 | light breeze |
| 18 | 16 | light breeze |
| 19 | 16 | light breeze |
| 20 | 16 | light breeze |
| 21 | 16 | light breeze |
| 22 | 16 | light breeze |
| 23 | 16 | light breeze |
| 24 | 16 | light breeze |
| 25 | 16 | light breeze |
| 26 | 17 | light breeze |
| 27 | 17 | light breeze |
| 28 | 17 | light breeze |
| 29 | 17 | light breeze |
| 30 | 17 | light breeze |
| 31 | 17 | light breeze |
Sunrise & sunset in August
Daylight runs from about 15 h 18 min at the start of August to 13 h 30 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 108 minutes over August. Sunrise moves from 4:25 AM to 5:13 AM, and sunset from 7:41 PM to 6:41 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 15.3 | 15.2 | 15.2 | 15.1 | 15.1 | 15.0 | 14.9 | 14.9 | 14.8 | 14.8 | 14.7 | 14.7 | 14.6 | 14.5 | 14.5 | 14.4 | 14.4 | 14.3 | 14.2 | 14.2 | 14.1 | 14.0 | 14.0 | 13.9 | 13.8 | 13.8 | 13.7 | 13.7 | 13.6 | 13.5 | 13.5 |
| Sunrise (AM) | 4:25 | 4:27 | 4:28 | 4:30 | 4:31 | 4:33 | 4:34 | 4:36 | 4:38 | 4:39 | 4:41 | 4:42 | 4:44 | 4:46 | 4:47 | 4:49 | 4:50 | 4:52 | 4:54 | 4:55 | 4:57 | 4:59 | 5:00 | 5:02 | 5:04 | 5:05 | 5:07 | 5:08 | 5:10 | 5:12 | 5:13 |
| Sunset (PM) | 7:41 | 7:40 | 7:38 | 7:36 | 7:34 | 7:33 | 7:31 | 7:29 | 7:27 | 7:25 | 7:23 | 7:22 | 7:20 | 7:18 | 7:16 | 7:14 | 7:12 | 7:10 | 7:07 | 7:05 | 7:03 | 7:01 | 6:59 | 6:57 | 6:54 | 6:52 | 6:50 | 6:48 | 6:46 | 6:43 | 6:41 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 15.3 | 4:25 | 7:41 |
| 2 | 15.2 | 4:27 | 7:40 |
| 3 | 15.2 | 4:28 | 7:38 |
| 4 | 15.1 | 4:30 | 7:36 |
| 5 | 15.1 | 4:31 | 7:34 |
| 6 | 15.0 | 4:33 | 7:33 |
| 7 | 14.9 | 4:34 | 7:31 |
| 8 | 14.9 | 4:36 | 7:29 |
| 9 | 14.8 | 4:38 | 7:27 |
| 10 | 14.8 | 4:39 | 7:25 |
| 11 | 14.7 | 4:41 | 7:23 |
| 12 | 14.7 | 4:42 | 7:22 |
| 13 | 14.6 | 4:44 | 7:20 |
| 14 | 14.5 | 4:46 | 7:18 |
| 15 | 14.5 | 4:47 | 7:16 |
| 16 | 14.4 | 4:49 | 7:14 |
| 17 | 14.4 | 4:50 | 7:12 |
| 18 | 14.3 | 4:52 | 7:10 |
| 19 | 14.2 | 4:54 | 7:07 |
| 20 | 14.2 | 4:55 | 7:05 |
| 21 | 14.1 | 4:57 | 7:03 |
| 22 | 14.0 | 4:59 | 7:01 |
| 23 | 14.0 | 5:00 | 6:59 |
| 24 | 13.9 | 5:02 | 6:57 |
| 25 | 13.8 | 5:04 | 6:54 |
| 26 | 13.8 | 5:05 | 6:52 |
| 27 | 13.7 | 5:07 | 6:50 |
| 28 | 13.7 | 5:08 | 6:48 |
| 29 | 13.6 | 5:10 | 6:46 |
| 30 | 13.5 | 5:12 | 6:43 |
| 31 | 13.5 | 5:13 | 6:41 |
Solar energy in August
Average shortwave solar energy reaching the ground each day in August, about 4.7 kWh/m².
For context, solar energy here swings from a low near 0.68 kWh/m² to a high of 5.76 kWh/m² in June across the year — August's 4.7 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.3 | 5.3 | 5.2 | 5.2 | 5.2 | 5.1 | 5.1 | 5.0 | 5.0 | 5.0 | 4.9 | 4.9 | 4.8 | 4.8 | 4.7 | 4.7 | 4.7 | 4.6 | 4.5 | 4.5 | 4.5 | 4.4 | 4.4 | 4.3 | 4.3 | 4.2 | 4.2 | 4.2 | 4.1 | 4.1 | 4.0 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.3 | Bright |
| 2 | 5.3 | Bright |
| 3 | 5.2 | Bright |
| 4 | 5.2 | Bright |
| 5 | 5.2 | Bright |
| 6 | 5.1 | Bright |
| 7 | 5.1 | Bright |
| 8 | 5.0 | Bright |
| 9 | 5.0 | Bright |
| 10 | 5.0 | Bright |
| 11 | 4.9 | Bright |
| 12 | 4.9 | Bright |
| 13 | 4.8 | Bright |
| 14 | 4.8 | Bright |
| 15 | 4.7 | Bright |
| 16 | 4.7 | Bright |
| 17 | 4.7 | Bright |
| 18 | 4.6 | Bright |
| 19 | 4.5 | Bright |
| 20 | 4.5 | Bright |
| 21 | 4.5 | Bright |
| 22 | 4.4 | Bright |
| 23 | 4.4 | Bright |
| 24 | 4.3 | Bright |
| 25 | 4.3 | Bright |
| 26 | 4.2 | Bright |
| 27 | 4.2 | Bright |
| 28 | 4.2 | Bright |
| 29 | 4.1 | Bright |
| 30 | 4.1 | Bright |
| 31 | 4.0 | Bright |
Is August a good time to visit Southend-on-Sea?
Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
August is a reasonable time to visit Southend-on-Sea for sightseeing.
What to pack for Southend-on-Sea in August
From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In August, Southend-on-Sea sees daytime highs around 20°C and nights near 15°C. Worth packing: rain gear and sun protection. About 10 days see rain.
Sea temperature near Southend-on-Sea in August
The nearest coast averages about 18°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 30 km away) is warmest in August at about 18°C and coldest in February near 6°C.
The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 7 | 6 | 7 | 9 | 12 | 15 | 17 | 18 | 17 | 15 | 12 | 9 |
| Comfort | Bracing | Bracing | Bracing | Bracing | Bracing | Bracing | Cool | Cool | Cool | Bracing | Bracing | Bracing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 7 | Bracing |
| Feb | 6 | Bracing |
| Mar | 7 | Bracing |
| Apr | 9 | Bracing |
| May | 12 | Bracing |
| Jun | 15 | Bracing |
| Jul | 17 | Cool |
| Aug | 18 | Cool |
| Sep | 17 | Cool |
| Oct | 15 | Bracing |
| Nov | 12 | Bracing |
| Dec | 9 | Bracing |
UV index in Southend-on-Sea in August
Clear-sky midday UV in August peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Southend-on-Sea peaks around June 23 at about 6 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 1 | 1 | 3 | 3 | 6 | 6 | 6 | 6 | 4 | 2 | 1 | 1 |
| Level | Low | Low | Moderate | Moderate | High | High | High | High | Moderate | Moderate | Low | Low |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 1 | Low |
| Feb | 1 | Low |
| Mar | 3 | Moderate |
| Apr | 3 | Moderate |
| May | 6 | High |
| Jun | 6 | High |
| Jul | 6 | High |
| Aug | 6 | High |
| Sep | 4 | Moderate |
| Oct | 2 | Moderate |
| Nov | 1 | Low |
| Dec | 1 | Low |
Where is Southend-on-Sea?
Southend-on-Sea sits at 51.5°N, 0.7°E, 31 m above sea level, in United Kingdom. The nearest listed city is Rochford, 5.0 km away.
Topography around Southend-on-Sea
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Southend-on-Sea.
Within 3 km, the terrain around Southend-on-Sea has only modest variations in elevation — a maximum elevation change of 42 m around an average of 13 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 100 m; within 80 km, significant variations in elevation — a maximum elevation change of 287 m.
The land around Southend-on-Sea is covered by water (39%) and artificial surfaces (35%) within 3 km, water (38%) and grassland (23%) within 16 km, and water (28%) and cropland (27%) within 80 km.
United Kingdom travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type D / G / M
- 230 V · 50 Hz
- Prices
- ≈ 89% of US
- price level, 2025
- GDP per capita
- $57,602
- 2025
- Happiness
- 6.7 / 10
- World Happiness, 2025
- Safe drinking water
- 100%
- of population, 2024
- Homicide rate
- 1.1
- per 100k, 2021
- Road deaths
- 3.2
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Southend-on-Sea (51.5378°, 0.7143°, elevation 31 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).