Annual mean 7°C · wettest around May · prevailing wind W
Warmest
26.6 °C
Coldest
-9.0 °C
Wettest
32%
Windiest
6.9 m/s
Prevailing
W
5.6 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
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 Watertown over the whole year is 7°C. July is the hottest month, with highs of about 26°C; January is the coldest, with lows of about -11°C. Watertown has no sharply defined rainy season: the chance of rain on a given day runs from 22% in February, the driest month, to 31% in May, the wettest. Winds in Watertown are highest in April, averaging 5.4 m/s (19 km/h), and lightest in July, at 3.5 m/s (13 km/h). The prevailing wind is from the W. The clearest skies in Watertown come in July, when the sky is typically 23% covered; January is the cloudiest month, at 50%.
Month by month Watertown 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
-11°C
-14°C
23%
50%
4.6 m/s
0
0
0
February
-5°C
-11°C
-12°C
22%
44%
4.7 m/s
0
0
3
March
3°C
-4°C
-4°C
25%
45%
4.9 m/s
0
0
12
April
10°C
2°C
3°C
29%
45%
5.4 m/s
8
0
33
May
19°C
11°C
14°C
31%
38%
4.5 m/s
46
8
66
June
25°C
18°C
23°C
30%
29%
4.2 m/s
68
37
47
July
26°C
19°C
26°C
29%
23%
3.5 m/s
63
55
29
August
25°C
17°C
24°C
28%
30%
3.5 m/s
70
43
42
September
22°C
13°C
19°C
28%
29%
3.9 m/s
65
19
64
October
13°C
5°C
7°C
28%
36%
4.5 m/s
19
1
48
November
4°C
-2°C
-2°C
25%
41%
4.6 m/s
3
0
16
December
-4°C
-8°C
-10°C
24%
49%
4.8 m/s
0
0
1
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 Watertown weather by season
Year round, Watertown has days of about -7°C at their warmest in January, its coolest month, and 26°C in July, its warmest; the coolest hours of the day run from -11°C to 19°C through the year, and the average temperature over the year is 7°C around the clock. Rain is most likely around May and least likely around February. 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.
Watertown weather in winterDecember to February
High -5°CLow -10°CRain 23%
Winter in Watertown has typical daily highs of about -5°C and lows of about -10°C, with a 23% chance of rain on a given day.
Watertown weather in springMarch to May
High 10°CLow 3°CRain 28%
Spring in Watertown has typical daily highs of about 10°C and lows of about 3°C, with a 28% chance of rain on a given day.
Watertown weather in summerJune to August
High 26°CLow 18°CRain 29%
Summer in Watertown has typical daily highs of about 26°C and lows of about 18°C, with a 29% chance of rain on a given day.
Watertown weather in autumnSeptember to November
High 13°CLow 5°CRain 27%
Autumn in Watertown has typical daily highs of about 13°C and lows of about 5°C, with a 27% chance of rain on a given day.
When is the rainy season in Watertown?
Watertown has no sharply defined rainy season: the chance of rain on a given day runs from 22% in February, the driest month, to 31% in May, the wettest.
What time of year is Watertown windiest?
Winds in Watertown are highest in April, averaging 5.4 m/s (19 km/h), and lightest in July, at 3.5 m/s (13 km/h). The prevailing wind is from the W.
What is the average temperature in Watertown year round?
The average temperature in Watertown over the whole year is 7°C. July is the hottest month, with highs of about 26°C; January is the coldest, with lows of about -11°C.