Annual mean 12°C · wettest around December · prevailing wind SW
Warmest
22.3 °C
Coldest
6.0 °C
Wettest
27%
Windiest
5.3 m/s
Prevailing
SW
4.5 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Upminster over the whole year is 12°C. July is the hottest month, with highs of about 22°C; January is the coldest, with lows of about 4°C. Upminster has no sharply defined rainy season: the chance of rain on a given day runs from 14% in April, the driest month, to 24% in December, the wettest. Winds in Upminster are highest in February, averaging 4.4 m/s (16 km/h), and lightest in September, at 3.4 m/s (12 km/h). The prevailing wind is from the SW. The clearest skies in Upminster come in July, when the sky is typically 42% covered; December is the cloudiest month, at 64%.
Month by month Upminster climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
7°C
4°C
2°C
20%
60%
3.9 m/s
0
0
17
February
8°C
5°C
3°C
21%
57%
4.4 m/s
1
0
26
March
10°C
6°C
5°C
21%
56%
4.1 m/s
2
0
39
April
13°C
7°C
9°C
14%
43%
3.7 m/s
12
1
58
May
17°C
11°C
14°C
18%
44%
3.5 m/s
40
2
78
June
20°C
14°C
18°C
15%
43%
3.7 m/s
67
10
74
July
22°C
16°C
20°C
16%
42%
3.6 m/s
77
17
68
August
21°C
16°C
19°C
15%
42%
3.5 m/s
77
13
71
September
19°C
13°C
17°C
17%
45%
3.4 m/s
62
6
79
October
15°C
11°C
12°C
22%
50%
3.6 m/s
26
0
79
November
10°C
7°C
6°C
21%
57%
3.7 m/s
2
0
47
December
8°C
6°C
4°C
24%
64%
3.9 m/s
0
0
28
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Upminster weather by season
Year round, Upminster has days of about 7°C at their warmest in January, its coolest month, and 22°C in July, its warmest; the coolest hours of the day run from 4°C to 16°C through the year, and the average temperature over the year is 12°C around the clock. Rain is most likely around December and least likely around April. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Upminster weather in winterDecember to February
High 8°CLow 5°CRain 21%
Winter in Upminster has typical daily highs of about 8°C and lows of about 5°C, with a 21% chance of rain on a given day.
Upminster weather in springMarch to May
High 13°CLow 8°CRain 17%
Spring in Upminster has typical daily highs of about 13°C and lows of about 8°C, with a 17% chance of rain on a given day.
Upminster weather in summerJune to August
High 21°CLow 15°CRain 16%
Summer in Upminster has typical daily highs of about 21°C and lows of about 15°C, with a 16% chance of rain on a given day.
Upminster weather in autumnSeptember to November
High 15°CLow 10°CRain 20%
Autumn in Upminster has typical daily highs of about 15°C and lows of about 10°C, with a 20% chance of rain on a given day.
When is the rainy season in Upminster?
Upminster has no sharply defined rainy season: the chance of rain on a given day runs from 14% in April, the driest month, to 24% in December, the wettest.
What time of year is Upminster windiest?
Winds in Upminster are highest in February, averaging 4.4 m/s (16 km/h), and lightest in September, at 3.4 m/s (12 km/h). The prevailing wind is from the SW.
What is the average temperature in Upminster year round?
The average temperature in Upminster over the whole year is 12°C. July is the hottest month, with highs of about 22°C; January is the coldest, with lows of about 4°C.