Annual mean 17°C · wettest around July · prevailing wind S
Warmest
33.6 °C
Coldest
13.3 °C
Wettest
20%
Windiest
5.1 m/s
Prevailing
S
4.0 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 Sierra Vista over the whole year is 17°C. June is the hottest month, with highs of about 33°C; January is the coldest, with lows of about 2°C. Sierra Vista has no sharply defined rainy season: the chance of rain on a given day runs from 2% in April, the driest month, to 16% in July, the wettest. Winds in Sierra Vista are highest in April, averaging 3.9 m/s (14 km/h), and lightest in December, at 2.6 m/s (9 km/h). The prevailing wind is from the S. The clearest skies in Sierra Vista come in April, when the sky is typically 7% covered; August is the cloudiest month, at 27%.
Month by month Sierra Vista 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
14°C
2°C
8°C
9%
17%
2.9 m/s
13
0
63
February
16°C
4°C
10°C
10%
18%
3.4 m/s
27
0
68
March
19°C
6°C
13°C
8%
15%
3.8 m/s
40
2
75
April
24°C
9°C
17°C
2%
7%
3.9 m/s
68
8
77
May
27°C
14°C
21°C
3%
7%
3.8 m/s
80
25
61
June
33°C
20°C
28°C
9%
13%
3.6 m/s
45
69
15
July
31°C
21°C
30°C
16%
27%
3.1 m/s
25
71
5
August
30°C
20°C
30°C
13%
27%
2.7 m/s
30
73
6
September
29°C
17°C
26°C
11%
19%
2.8 m/s
58
65
20
October
26°C
12°C
21°C
8%
10%
2.8 m/s
75
30
56
November
20°C
7°C
15°C
9%
10%
2.7 m/s
54
3
80
December
15°C
4°C
10°C
14%
19%
2.6 m/s
23
0
71
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 Sierra Vista weather by season
Year round, Sierra Vista has days of about 14°C at their warmest in January, its coolest month, and 33°C in June, its warmest; the coolest hours of the day run from 2°C to 21°C through the year, and the average temperature over the year is 17°C around the clock. Rain is most likely around July and least likely around April. 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.
Sierra Vista weather in winterDecember to February
High 15°CLow 3°CRain 11%
Winter in Sierra Vista has typical daily highs of about 15°C and lows of about 3°C, with a 11% chance of rain on a given day.
Sierra Vista weather in springMarch to May
High 23°CLow 10°CRain 4%
Spring in Sierra Vista has typical daily highs of about 23°C and lows of about 10°C, with a 4% chance of rain on a given day.
Sierra Vista weather in summerJune to August
High 31°CLow 20°CRain 13%
Summer in Sierra Vista has typical daily highs of about 31°C and lows of about 20°C, with a 13% chance of rain on a given day.
Sierra Vista weather in autumnSeptember to November
High 25°CLow 12°CRain 9%
Autumn in Sierra Vista has typical daily highs of about 25°C and lows of about 12°C, with a 9% chance of rain on a given day.
When is the rainy season in Sierra Vista?
Sierra Vista has no sharply defined rainy season: the chance of rain on a given day runs from 2% in April, the driest month, to 16% in July, the wettest.
What time of year is Sierra Vista windiest?
Winds in Sierra Vista are highest in April, averaging 3.9 m/s (14 km/h), and lightest in December, at 2.6 m/s (9 km/h). The prevailing wind is from the S.
What is the average temperature in Sierra Vista year round?
The average temperature in Sierra Vista over the whole year is 17°C. June is the hottest month, with highs of about 33°C; January is the coldest, with lows of about 2°C.