Annual mean 21°C · wettest around December · prevailing wind W
Warmest
37.2 °C
Coldest
15.8 °C
Wettest
49%
Windiest
3.9 m/s
Prevailing
W
3.0 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 Oro Valley over the whole year is 21°C. June is the hottest month, with highs of about 36°C; January is the coldest, with lows of about 5°C. The rainy (wet) season in Oro Valley runs from November to March, peaking in December with a 41% chance of rain on a given day. The dry season is April to June; May is the driest month, at 13%. Winds in Oro Valley are highest in May, averaging 3.2 m/s (12 km/h), and lightest in December, at 2.2 m/s (8 km/h). The prevailing wind is from the W. The clearest skies in Oro Valley come in May, when the sky is typically 7% covered; January is the cloudiest month, at 17%.
Month by month Oro Valley 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
5°C
12°C
39%
17%
2.4 m/s
35
0
78
February
19°C
7°C
14°C
39%
14%
2.7 m/s
51
2
76
March
22°C
9°C
17°C
35%
14%
3.0 m/s
61
8
75
April
27°C
13°C
22°C
18%
7%
3.1 m/s
75
32
53
May
31°C
18°C
26°C
13%
7%
3.2 m/s
60
61
26
June
36°C
24°C
32°C
26%
7%
3.1 m/s
11
56
2
July
36°C
27°C
35°C
33%
13%
3.0 m/s
4
26
0
August
35°C
25°C
35°C
34%
14%
2.7 m/s
4
33
1
September
34°C
22°C
32°C
32%
12%
2.7 m/s
15
59
4
October
29°C
16°C
26°C
20%
9%
2.6 m/s
52
55
28
November
23°C
10°C
19°C
29%
10%
2.5 m/s
72
16
69
December
18°C
7°C
14°C
41%
16%
2.2 m/s
49
1
81
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 Oro Valley weather by season
Year round, Oro Valley has days of about 16°C at their warmest in January, its coolest month, and 36°C in June, its warmest; the coolest hours of the day run from 5°C to 27°C through the year, and the average temperature over the year is 21°C around the clock. Rain is most likely around December and least likely around May. 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.
Oro Valley weather in winterDecember to February
High 18°CLow 6°CRain 39%
Winter in Oro Valley has typical daily highs of about 18°C and lows of about 6°C, with a 39% chance of rain on a given day.
Oro Valley weather in springMarch to May
High 26°CLow 13°CRain 22%
Spring in Oro Valley has typical daily highs of about 26°C and lows of about 13°C, with a 22% chance of rain on a given day.
Oro Valley weather in summerJune to August
High 36°CLow 25°CRain 31%
Summer in Oro Valley has typical daily highs of about 36°C and lows of about 25°C, with a 31% chance of rain on a given day.
Oro Valley weather in autumnSeptember to November
High 29°CLow 16°CRain 27%
Autumn in Oro Valley has typical daily highs of about 29°C and lows of about 16°C, with a 27% chance of rain on a given day.
When is the rainy season in Oro Valley?
The rainy (wet) season in Oro Valley runs from November to March, peaking in December with a 41% chance of rain on a given day. The dry season is April to June; May is the driest month, at 13%.
What time of year is Oro Valley windiest?
Winds in Oro Valley are highest in May, averaging 3.2 m/s (12 km/h), and lightest in December, at 2.2 m/s (8 km/h). The prevailing wind is from the W.
What is the average temperature in Oro Valley year round?
The average temperature in Oro Valley over the whole year is 21°C. June is the hottest month, with highs of about 36°C; January is the coldest, with lows of about 5°C.