Annual mean 16°C · wettest around December · prevailing wind SW
Warmest
30.9 °C
Coldest
10.9 °C
Wettest
36%
Windiest
4.1 m/s
Prevailing
SW
3.2 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 Rosemont over the whole year is 16°C. July is the hottest month, with highs of about 31°C; December is the coldest, with lows of about 5°C. The rainy (wet) season in Rosemont runs from October to May, peaking in December with a 37% chance of rain on a given day. The dry season is June to September; July is the driest month, at 8%. Winds in Rosemont are highest in May, averaging 3.3 m/s (12 km/h), and lightest in November, at 1.7 m/s (6 km/h). The prevailing wind is from the SW. The clearest skies in Rosemont come in July, when the sky is typically 2% covered; January is the cloudiest month, at 42%.
Month by month Rosemont 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
12°C
6°C
9°C
35%
42%
2.4 m/s
8
0
71
February
14°C
6°C
10°C
34%
27%
2.6 m/s
23
0
74
March
15°C
8°C
12°C
34%
34%
2.8 m/s
32
1
80
April
20°C
10°C
17°C
30%
20%
2.8 m/s
68
10
80
May
24°C
13°C
21°C
26%
13%
3.3 m/s
78
27
62
June
29°C
16°C
26°C
15%
4%
3.2 m/s
59
59
29
July
31°C
17°C
29°C
8%
2%
3.0 m/s
40
75
10
August
30°C
17°C
29°C
12%
6%
2.8 m/s
44
76
11
September
28°C
15°C
26°C
21%
8%
2.4 m/s
64
59
31
October
24°C
11°C
21°C
27%
11%
2.1 m/s
80
25
66
November
16°C
7°C
14°C
30%
25%
1.7 m/s
41
0
88
December
12°C
5°C
9°C
37%
38%
1.9 m/s
7
0
70
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 Rosemont weather by season
Year round, Rosemont has days of about 12°C at their warmest in January, its coolest month, and 31°C in July, its warmest; the coolest hours of the day run from 5°C to 17°C through the year, and the average temperature over the year is 16°C around the clock. Rain is most likely around December and least likely around July. 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.
Rosemont weather in winterDecember to February
High 13°CLow 6°CRain 35%
Winter in Rosemont has typical daily highs of about 13°C and lows of about 6°C, with a 35% chance of rain on a given day.
Rosemont weather in springMarch to May
High 20°CLow 10°CRain 30%
Spring in Rosemont has typical daily highs of about 20°C and lows of about 10°C, with a 30% chance of rain on a given day.
Rosemont weather in summerJune to August
High 30°CLow 17°CRain 12%
Summer in Rosemont has typical daily highs of about 30°C and lows of about 17°C, with a 12% chance of rain on a given day.
Rosemont weather in autumnSeptember to November
High 22°CLow 11°CRain 26%
Autumn in Rosemont has typical daily highs of about 22°C and lows of about 11°C, with a 26% chance of rain on a given day.
When is the rainy season in Rosemont?
The rainy (wet) season in Rosemont runs from October to May, peaking in December with a 37% chance of rain on a given day. The dry season is June to September; July is the driest month, at 8%.
What time of year is Rosemont windiest?
Winds in Rosemont are highest in May, averaging 3.3 m/s (12 km/h), and lightest in November, at 1.7 m/s (6 km/h). The prevailing wind is from the SW.
What is the average temperature in Rosemont year round?
The average temperature in Rosemont over the whole year is 16°C. July is the hottest month, with highs of about 31°C; December is the coldest, with lows of about 5°C.