Annual mean 14°C · wettest around May · prevailing wind W
Warmest
30.5 °C
Coldest
3.9 °C
Wettest
63%
Windiest
4.6 m/s
Prevailing
W
3.5 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 North Potomac over the whole year is 14°C. July is the hottest month, with highs of about 30°C; January is the coldest, with lows of about -1°C. North Potomac has no sharply defined rainy season: the chance of rain on a given day runs from 54% in October, the driest month, to 60% in May, the wettest. Winds in North Potomac are highest in March, averaging 3.3 m/s (12 km/h), and lightest in July, at 1.9 m/s (7 km/h). The prevailing wind is from the W. The clearest skies in North Potomac come in July, when the sky is typically 40% covered; May is the cloudiest month, at 55%.
Month by month North Potomac 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
4°C
-1°C
-1°C
56%
52%
2.9 m/s
3
0
13
February
7°C
2°C
2°C
60%
49%
2.9 m/s
5
0
25
March
11°C
4°C
6°C
58%
47%
3.3 m/s
15
0
43
April
17°C
9°C
13°C
57%
49%
3.1 m/s
38
7
61
May
21°C
14°C
20°C
60%
55%
2.4 m/s
58
22
57
June
27°C
19°C
27°C
55%
43%
2.3 m/s
50
49
25
July
30°C
22°C
31°C
56%
40%
1.9 m/s
17
53
4
August
28°C
21°C
29°C
59%
44%
1.9 m/s
34
56
10
September
25°C
17°C
25°C
58%
46%
1.9 m/s
62
40
38
October
19°C
11°C
17°C
54%
45%
2.1 m/s
55
13
67
November
12°C
5°C
8°C
57%
40%
2.5 m/s
17
1
49
December
7°C
2°C
2°C
59%
52%
2.4 m/s
1
0
24
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 North Potomac weather by season
Year round, North Potomac has days of about 4°C at their warmest in January, its coolest month, and 30°C in July, its warmest; the coolest hours of the day run from -1°C to 22°C through the year, and the average temperature over the year is 14°C around the clock. Rain is most likely around May and least likely around October. 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.
North Potomac weather in winterDecember to February
High 6°CLow 1°CRain 59%
Winter in North Potomac has typical daily highs of about 6°C and lows of about 1°C, with a 59% chance of rain on a given day.
North Potomac weather in springMarch to May
High 16°CLow 9°CRain 58%
Spring in North Potomac has typical daily highs of about 16°C and lows of about 9°C, with a 58% chance of rain on a given day.
North Potomac weather in summerJune to August
High 28°CLow 21°CRain 57%
Summer in North Potomac has typical daily highs of about 28°C and lows of about 21°C, with a 57% chance of rain on a given day.
North Potomac weather in autumnSeptember to November
High 18°CLow 11°CRain 56%
Autumn in North Potomac has typical daily highs of about 18°C and lows of about 11°C, with a 56% chance of rain on a given day.
When is the rainy season in North Potomac?
North Potomac has no sharply defined rainy season: the chance of rain on a given day runs from 54% in October, the driest month, to 60% in May, the wettest.
What time of year is North Potomac windiest?
Winds in North Potomac are highest in March, averaging 3.3 m/s (12 km/h), and lightest in July, at 1.9 m/s (7 km/h). The prevailing wind is from the W.
What is the average temperature in North Potomac year round?
The average temperature in North Potomac over the whole year is 14°C. July is the hottest month, with highs of about 30°C; January is the coldest, with lows of about -1°C.