Annual mean 10°C · wettest around September · prevailing wind E
Warmest
30.2 °C
Coldest
2.7 °C
Wettest
74%
Windiest
4.0 m/s
Prevailing
E
3.2 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 Frederick over the whole year is 10°C. July is the hottest month, with highs of about 30°C; January is the coldest, with lows of about -6°C. The rainy (wet) season in Frederick runs from September to October, peaking in September with a 32% chance of rain on a given day. The dry season is January to April; January is the driest month, at 15%. Winds in Frederick are highest in April, averaging 3.1 m/s (11 km/h), and lightest in September, at 2.1 m/s (8 km/h). The prevailing wind is from the E. The clearest skies in Frederick come in July, when the sky is typically 20% covered; May is the cloudiest month, at 38%.
Month by month Frederick 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
-2°C
15%
28%
2.2 m/s
0
0
12
February
4°C
-5°C
-1°C
21%
30%
2.8 m/s
2
0
19
March
10°C
-1°C
5°C
18%
34%
2.9 m/s
8
0
39
April
14°C
3°C
9°C
21%
35%
3.1 m/s
26
0
58
May
18°C
9°C
15°C
31%
38%
2.6 m/s
52
6
70
June
26°C
15°C
24°C
21%
24%
2.5 m/s
66
45
40
July
30°C
17°C
28°C
19%
20%
2.4 m/s
46
74
13
August
29°C
15°C
26°C
20%
20%
2.3 m/s
59
66
22
September
25°C
11°C
22°C
32%
21%
2.1 m/s
71
35
49
October
17°C
4°C
12°C
29%
23%
2.3 m/s
44
2
66
November
10°C
-1°C
6°C
21%
21%
2.3 m/s
13
0
44
December
6°C
-4°C
1°C
26%
22%
2.4 m/s
1
0
22
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 Frederick weather by season
Year round, Frederick has days of about 3°C at their warmest in January, its coolest month, and 30°C in July, its warmest; the coolest hours of the day run from -6°C to 17°C through the year, and the average temperature over the year is 10°C around the clock. Rain is most likely around September and least likely around January. 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.
Frederick weather in winterDecember to February
High 4°CLow -5°CRain 21%
Winter in Frederick has typical daily highs of about 4°C and lows of about -5°C, with a 21% chance of rain on a given day.
Frederick weather in springMarch to May
High 14°CLow 3°CRain 23%
Spring in Frederick has typical daily highs of about 14°C and lows of about 3°C, with a 23% chance of rain on a given day.
Frederick weather in summerJune to August
High 28°CLow 16°CRain 20%
Summer in Frederick has typical daily highs of about 28°C and lows of about 16°C, with a 20% chance of rain on a given day.
Frederick weather in autumnSeptember to November
High 17°CLow 5°CRain 27%
Autumn in Frederick has typical daily highs of about 17°C and lows of about 5°C, with a 27% chance of rain on a given day.
When is the rainy season in Frederick?
The rainy (wet) season in Frederick runs from September to October, peaking in September with a 32% chance of rain on a given day. The dry season is January to April; January is the driest month, at 15%.
What time of year is Frederick windiest?
Winds in Frederick are highest in April, averaging 3.1 m/s (11 km/h), and lightest in September, at 2.1 m/s (8 km/h). The prevailing wind is from the E.
What is the average temperature in Frederick year round?
The average temperature in Frederick over the whole year is 10°C. July is the hottest month, with highs of about 30°C; January is the coldest, with lows of about -6°C.