Annual mean 9°C · wettest around October · prevailing wind W
Warmest
25.8 °C
Coldest
-3.8 °C
Wettest
20%
Windiest
5.4 m/s
Prevailing
W
4.4 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 9°C. July is the hottest month, with highs of about 25°C; January is the coldest, with lows of about -6°C. Watertown has no sharply defined rainy season: the chance of rain on a given day runs from 11% in February, the driest month, to 20% in October, the wettest. Winds in Watertown are highest in February, averaging 4.0 m/s (14 km/h), and lightest in September, at 2.5 m/s (9 km/h). The prevailing wind is from the W. The clearest skies in Watertown come in July, when the sky is typically 33% covered; January is the cloudiest month, at 74%.
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
-3°C
-6°C
-9°C
13%
74%
3.7 m/s
0
0
1
February
-1°C
-6°C
-7°C
11%
66%
4.0 m/s
0
0
3
March
3°C
-2°C
-2°C
15%
57%
3.8 m/s
1
0
12
April
10°C
3°C
5°C
18%
55%
3.8 m/s
10
1
37
May
17°C
10°C
14°C
16%
47%
3.0 m/s
44
8
69
June
22°C
16°C
20°C
17%
42%
3.0 m/s
73
25
63
July
25°C
19°C
25°C
13%
33%
2.7 m/s
71
55
33
August
25°C
17°C
24°C
16%
39%
2.6 m/s
73
48
38
September
21°C
13°C
19°C
12%
38%
2.5 m/s
71
21
69
October
14°C
8°C
11°C
20%
54%
3.1 m/s
31
2
64
November
6°C
2°C
1°C
17%
63%
3.6 m/s
5
0
19
December
0°C
-3°C
-5°C
17%
72%
3.8 m/s
0
0
4
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 -3°C at their warmest in January, its coolest month, and 25°C in July, its warmest; the coolest hours of the day run from -6°C to 19°C through the year, and the average temperature over the year is 9°C around the clock. Rain is most likely around October 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 -2°CLow -5°CRain 14%
Winter in Watertown has typical daily highs of about -2°C and lows of about -5°C, with a 14% chance of rain on a given day.
Watertown weather in springMarch to May
High 10°CLow 4°CRain 16%
Spring in Watertown has typical daily highs of about 10°C and lows of about 4°C, with a 16% chance of rain on a given day.
Watertown weather in summerJune to August
High 24°CLow 17°CRain 15%
Summer in Watertown has typical daily highs of about 24°C and lows of about 17°C, with a 15% chance of rain on a given day.
Watertown weather in autumnSeptember to November
High 14°CLow 8°CRain 16%
Autumn in Watertown has typical daily highs of about 14°C and lows of about 8°C, with a 16% 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 11% in February, the driest month, to 20% in October, the wettest.
What time of year is Watertown windiest?
Winds in Watertown are highest in February, averaging 4.0 m/s (14 km/h), and lightest in September, at 2.5 m/s (9 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 9°C. July is the hottest month, with highs of about 25°C; January is the coldest, with lows of about -6°C.