Annual mean 21°C · wettest around August · prevailing wind SE
Warmest
33.2 °C
Coldest
15.2 °C
Wettest
71%
Windiest
4.9 m/s
Prevailing
SE
3.8 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
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 Rosenberg over the whole year is 21°C. August is the hottest month, with highs of about 33°C; January is the coldest, with lows of about 9°C. Rosenberg has no sharply defined rainy season: the chance of rain on a given day runs from 46% in February, the driest month, to 56% in August, the wettest. Winds in Rosenberg are highest in March, averaging 3.5 m/s (13 km/h), and lightest in August, at 2.0 m/s (7 km/h). The prevailing wind is from the SE. The clearest skies in Rosenberg come in August, when the sky is typically 27% covered; February is the cloudiest month, at 61%.
Month by month Rosenberg 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
16°C
9°C
12°C
52%
51%
3.1 m/s
37
4
60
February
18°C
12°C
16°C
46%
61%
3.4 m/s
51
12
54
March
22°C
15°C
20°C
48%
56%
3.5 m/s
65
24
52
April
25°C
17°C
24°C
50%
54%
3.4 m/s
62
39
35
May
29°C
22°C
30°C
56%
52%
3.1 m/s
28
57
8
June
31°C
24°C
34°C
55%
35%
2.4 m/s
4
32
1
July
32°C
25°C
35°C
53%
28%
2.1 m/s
2
18
0
August
33°C
25°C
36°C
56%
27%
2.0 m/s
2
16
0
September
31°C
23°C
33°C
55%
32%
2.1 m/s
12
38
3
October
27°C
18°C
27°C
54%
35%
2.3 m/s
34
50
21
November
22°C
14°C
20°C
55%
49%
2.5 m/s
54
27
47
December
18°C
11°C
16°C
51%
54%
2.8 m/s
49
12
58
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 Rosenberg weather by season
Year round, Rosenberg has days of about 16°C at their warmest in January, its coolest month, and 33°C in August, its warmest; the coolest hours of the day run from 9°C to 25°C through the year, and the average temperature over the year is 21°C around the clock. Rain is most likely around August 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.
Rosenberg weather in winterDecember to February
High 17°CLow 11°CRain 50%
Winter in Rosenberg has typical daily highs of about 17°C and lows of about 11°C, with a 50% chance of rain on a given day.
Rosenberg weather in springMarch to May
High 25°CLow 18°CRain 51%
Spring in Rosenberg has typical daily highs of about 25°C and lows of about 18°C, with a 51% chance of rain on a given day.
Rosenberg weather in summerJune to August
High 32°CLow 25°CRain 55%
Summer in Rosenberg has typical daily highs of about 32°C and lows of about 25°C, with a 55% chance of rain on a given day.
Rosenberg weather in autumnSeptember to November
High 26°CLow 18°CRain 54%
Autumn in Rosenberg has typical daily highs of about 26°C and lows of about 18°C, with a 54% chance of rain on a given day.
When is the rainy season in Rosenberg?
Rosenberg has no sharply defined rainy season: the chance of rain on a given day runs from 46% in February, the driest month, to 56% in August, the wettest.
What time of year is Rosenberg windiest?
Winds in Rosenberg are highest in March, averaging 3.5 m/s (13 km/h), and lightest in August, at 2.0 m/s (7 km/h). The prevailing wind is from the SE.
What is the average temperature in Rosenberg year round?
The average temperature in Rosenberg over the whole year is 21°C. August is the hottest month, with highs of about 33°C; January is the coldest, with lows of about 9°C.