Climate and monthly weather forecastSanta Rosa, AZ
Climate and monthly weather forecast
Weather in January
January, the same as December, is another refreshing winter month in Santa Rosa, Arizona, with an average temperature varying between 63.9°F (17.7°C) and 45.7°F (7.6°C). Upon the beginning of January, Santa Rosa's high-temperatures register at a still refreshing 63.9°F (17.7°C), closely mirroring the preceding month. Weather in January »Weather in February
February, the last month of the winter in Santa Rosa, is also an enjoyable month, with an average temperature varying between 47.8°F (8.8°C) and 65.8°F (18.8°C). An average high-temperature of a still refreshing 65.8°F (18.8°C) marks February, exhibiting a close resemblance to the conditions in January. Weather in February »Weather in March
The first month of the spring, March, is an agreeable month in Santa Rosa, Arizona, with an average temperature ranging between max 73°F (22.8°C) and min 52.9°F (11.6°C). The commencement of March sees a minor shift in the average high-temperature, moving from an enjoyable 65.8°F (18.8°C) in February to an agreeable 73°F (22.8°C). Weather in March »Weather in April
April is a moderately hot spring month in Santa Rosa, Arizona, with an average temperature fluctuating between 79.5°F (26.4°C) and 56.5°F (13.6°C). In Santa Rosa, stepping into April brings a gentle temperature nudge, moving slightly up from March's agreeable 73°F (22.8°C) to a moderately hot 79.5°F (26.4°C). Weather in April »Weather in May
May, the last month of the spring in Santa Rosa, is a tropical month, with temperature in the range of an average high of 86.5°F (30.3°C) and an average low of 61.9°F (16.6°C). The arrival of May witnesses a small shift in the average high-temperature, moving from a moderately hot 79.5°F (26.4°C) in April to a tropical 86.5°F (30.3°C). Weather in May »Weather in June
June, the first month of the summer in Santa Rosa, is a torrid month, with temperature in the range of an average high of 97.3°F (36.3°C) and an average low of 71.2°F (21.8°C). With average temperatures fluctuating between a high of 97.3°F (36.3°C) and a low of 71.2°F (21.8°C), June stands out as the warmest month. Weather in June »Weather in July
July, the same as June, is another fiery hot summer month in Santa Rosa, Arizona, with an average temperature fluctuating between 78.6°F (25.9°C) and 95.9°F (35.5°C). Santa Rosa's July reports an average high-temperature of a still sweltering 95.9°F (35.5°C), exhibiting a minor difference from June. Weather in July »Weather in August
August, the last month of the summer in Santa Rosa, is also a sweltering month, with an average temperature ranging between max 95.5°F (35.3°C) and min 78.4°F (25.8°C). The initiation of August sees an average high-temperature of a still sweltering 95.5°F (35.3°C), showing minor variations from the previous month. Weather in August »Weather in September
September, the first month of the autumn in Santa Rosa, is still a tropical month, with temperature in the range of an average low of 73.6°F (23.1°C) and an average high of 91.2°F (32.9°C). September's advent presents an average high-temperature of a tropical 91.2°F (32.9°C), indicating a slight variation from the conditions of the previous month. Weather in September »Weather in October
October, the same as September, is a moderately hot autumn month in Santa Rosa, Arizona, with temperature in the range of an average low of 63°F (17.2°C) and an average high of 82.8°F (28.2°C). The average high-temperature slightly decreases in October, shifting from a hot 91.2°F (32.9°C) in September to a warm 82.8°F (28.2°C). Weather in October »Weather in November
The last month of the autumn, November, is another pleasant month in Santa Rosa, Arizona, with an average temperature ranging between min 52.7°F (11.5°C) and max 72.7°F (22.6°C). Santa Rosa observes a minor decrease in the average high-temperature with the arrival of November, falling from October's moderately hot 82.8°F (28.2°C) to a pleasant 72.7°F (22.6°C). Weather in November »Weather in December
The first month of the winter, December, is also an enjoyable month in Santa Rosa, Arizona, with temperature in the range of an average low of 45.5°F (7.5°C) and an average high of 62.4°F (16.9°C). December, having an average high-temperature of 62.4°F (16.9°C) and an average low-temperature of 45.5°F (7.5°C), is the coldest month. Weather in December »Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature
Santa Rosa, AZ
The warmest month (with the highest average high temperature) is June (97.3°F).
The month with the lowest average high temperature is December (62.4°F).
The month with the highest average low temperature is July (78.6°F).
The coldest month (with the lowest average low temperature) is December (45.5°F).
Average pressure
Santa Rosa, AZ
- Average pressure in January:
30.06"Hg - Average pressure in February:
30"Hg - Average pressure in March:
29.95"Hg - Average pressure in April:
29.87"Hg - Average pressure in May:
29.82"Hg - Average pressure in June:
29.78"Hg
- Average pressure in July:
29.84"Hg - Average pressure in August:
29.83"Hg - Average pressure in September:
29.83"Hg - Average pressure in October:
29.88"Hg - Average pressure in November:
29.98"Hg - Average pressure in December:
30.03"Hg
The month with the highest atmospheric pressure is January (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.78"Hg).
Average wind speed
Santa Rosa, AZ
- Average wind speed in January:
6.3mph - Average wind speed in February:
7.1mph - Average wind speed in March:
7.8mph - Average wind speed in April:
9mph - Average wind speed in May:
9.3mph - Average wind speed in June:
8.9mph
- Average wind speed in July:
7.2mph - Average wind speed in August:
6.4mph - Average wind speed in September:
6.7mph - Average wind speed in October:
6.6mph - Average wind speed in November:
6.8mph - Average wind speed in December:
6.5mph
The windiest month (with the highest average wind speed) is May (9.3mph).
The calmest month (with the lowest average wind speed) is January (6.3mph).
Average humidity
Santa Rosa, AZ
The month with the highest relative humidity is December (44%).
The month with the lowest relative humidity is June (20%).
Average rainfall
Santa Rosa, AZ
- Average rainfall in January:
0.43" - Average rainfall in February:
0.59" - Average rainfall in March:
0.47" - Average rainfall in April:
0.12" - Average rainfall in May:
0.04" - Average rainfall in June:
0.12"
- Average rainfall in July:
1.3" - Average rainfall in August:
1.38" - Average rainfall in September:
0.83" - Average rainfall in October:
0.31" - Average rainfall in November:
0.35" - Average rainfall in December:
0.51"
The wettest month (with the highest rainfall) is August (1.38").
The driest month (with the least rainfall) is May (0.04").
Average rainfall days
Santa Rosa, AZ
- Average rainfall days in January:
3.8 days - Average rainfall days in February:
3.4 days - Average rainfall days in March:
2.9 days - Average rainfall days in April:
1.8 days - Average rainfall days in May:
1 days - Average rainfall days in June:
1.5 days
- Average rainfall days in July:
11.5 days - Average rainfall days in August:
11 days - Average rainfall days in September:
7.4 days - Average rainfall days in October:
2.8 days - Average rainfall days in November:
1.6 days - Average rainfall days in December:
4.2 days
The month with the highest number of rainy days is July (11.5 days).
The month with the least rainy days is May (1 days).
Average daylight / Average sunshine
Santa Rosa, AZ
- Average daylight in January:
10h and 18min - Average daylight in February:
11h and 6min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 0min - Average daylight in May:
13h and 48min - Average daylight in June:
14h and 12min
- Average daylight in July:
14h and 0min - Average daylight in August:
13h and 18min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 24min - Average daylight in November:
10h and 30min - Average daylight in December:
10h and 6min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in January:
7h and 6min - Average sunshine in February:
9h and 6min - Average sunshine in March:
9h and 12min - Average sunshine in April:
10h and 42min - Average sunshine in May:
12h and 0min - Average sunshine in June:
12h and 6min
- Average sunshine in July:
11h and 54min - Average sunshine in August:
11h and 48min - Average sunshine in September:
9h and 42min - Average sunshine in October:
8h and 6min - Average sunshine in November:
7h and 18min - Average sunshine in December:
6h and 54min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days
Santa Rosa, AZ
- Average sunshine days in January:
26.8 days - Average sunshine days in February:
24.2 days - Average sunshine days in March:
27.9 days - Average sunshine days in April:
28.3 days - Average sunshine days in May:
29.8 days - Average sunshine days in June:
27.6 days
- Average sunshine days in July:
17.3 days - Average sunshine days in August:
17.2 days - Average sunshine days in September:
21.4 days - Average sunshine days in October:
27.1 days - Average sunshine days in November:
27.7 days - Average sunshine days in December:
26.5 days
The month with the most sunshine days is May (29.8 days).
The month with the least sunshine days is August (17.2 days).
Average UV index
Santa Rosa, AZ
The months with the highest UV index are July and August (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover
Santa Rosa, AZ
The month with the most cloud cover is December (Cloud cover 20).
The month with the least cloud cover is June (Cloud cover 6).
Average visibility
Santa Rosa, AZ
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





