Annual mean 14°C · wettest around December · prevailing wind W
Warmest
30.2 °C
Coldest
3.8 °C
Wettest
64%
Windiest
4.5 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 Ellicott City 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 0°C. Ellicott City has no sharply defined rainy season: the chance of rain on a given day runs from 56% in June, the driest month, to 61% in December, the wettest. Winds in Ellicott City are highest in March, averaging 3.2 m/s (12 km/h), and lightest in August, at 1.9 m/s (7 km/h). The prevailing wind is from the W. The clearest skies in Ellicott City come in July, when the sky is typically 32% covered; May is the cloudiest month, at 47%.
Month by month Ellicott City 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
0°C
-1°C
57%
45%
2.8 m/s
2
0
12
February
6°C
2°C
2°C
61%
41%
2.8 m/s
4
0
23
March
11°C
5°C
6°C
60%
39%
3.2 m/s
13
0
41
April
17°C
10°C
13°C
58%
41%
3.0 m/s
37
5
62
May
21°C
15°C
20°C
61%
47%
2.4 m/s
59
21
58
June
27°C
20°C
27°C
56%
35%
2.3 m/s
51
50
25
July
30°C
23°C
31°C
60%
32%
2.0 m/s
17
55
4
August
28°C
21°C
29°C
61%
36%
1.9 m/s
34
59
10
September
24°C
18°C
24°C
59%
39%
1.9 m/s
62
41
37
October
19°C
12°C
17°C
58%
39%
2.1 m/s
55
12
68
November
12°C
6°C
8°C
60%
34%
2.5 m/s
17
1
49
December
6°C
2°C
2°C
61%
45%
2.4 m/s
2
0
23
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 Ellicott City weather by season
Year round, Ellicott City 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 0°C to 23°C through the year, and the average temperature over the year is 14°C around the clock. Rain is most likely around December and least likely around June. 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.
Ellicott City weather in winterDecember to February
High 6°CLow 1°CRain 60%
Winter in Ellicott City has typical daily highs of about 6°C and lows of about 1°C, with a 60% chance of rain on a given day.
Ellicott City weather in springMarch to May
High 16°CLow 10°CRain 60%
Spring in Ellicott City has typical daily highs of about 16°C and lows of about 10°C, with a 60% chance of rain on a given day.
Ellicott City weather in summerJune to August
High 28°CLow 21°CRain 59%
Summer in Ellicott City has typical daily highs of about 28°C and lows of about 21°C, with a 59% chance of rain on a given day.
Ellicott City weather in autumnSeptember to November
High 18°CLow 12°CRain 59%
Autumn in Ellicott City has typical daily highs of about 18°C and lows of about 12°C, with a 59% chance of rain on a given day.
When is the rainy season in Ellicott City?
Ellicott City has no sharply defined rainy season: the chance of rain on a given day runs from 56% in June, the driest month, to 61% in December, the wettest.
What time of year is Ellicott City windiest?
Winds in Ellicott City are highest in March, averaging 3.2 m/s (12 km/h), and lightest in August, at 1.9 m/s (7 km/h). The prevailing wind is from the W.
What is the average temperature in Ellicott City year round?
The average temperature in Ellicott City 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 0°C.