Climate and monthly weather forecastSaint David, AZ
Climate and monthly weather forecast
Weather in January
January, like December, is another mild winter month in Saint David, Arizona, with an average temperature varying between 58.5°F (14.7°C) and 38.5°F (3.6°C). January is marked by an average high-temperature of a still mild 58.5°F (14.7°C), almost identical to the preceding month. Weather in January »Weather in February
February, the last month of the winter in Saint David, is an enjoyable month, with an average temperature varying between 40.6°F (4.8°C) and 61.3°F (16.3°C). Saint David in February witnesses an average high-temperature of a comfortable 61.3°F (16.3°C), indicating a slight variation from January's 58.5°F (14.7°C). Weather in February »Weather in March
March, the first month of the spring in Saint David, is a pleasant month, with temperature in the range of an average high of 69.4°F (20.8°C) and an average low of 46.6°F (8.1°C). Saint David, Arizona, in March observes a minor temperature shift, with average high-temperatures adjusting from a refreshing 61.3°F (16.3°C) in February to a pleasant 69.4°F (20.8°C). Weather in March »Weather in April
April in Saint David, Arizona, is a warm spring month, with temperature in the range of an average low of 50.2°F (10.1°C) and an average high of 75.6°F (24.2°C). April comes with a subtle rise, with the average high-temperature adjusting from an agreeable 69.4°F (20.8°C) in March to a moderately hot 75.6°F (24.2°C). Weather in April »Weather in May
May, the last month of the spring in Saint David, is also a moderately hot month, with an average temperature ranging between max 82.6°F (28.1°C) and min 55.8°F (13.2°C). As April transitions into May, a subtle temperature shift is observed, with average highs adjusting from a warm 75.6°F (24.2°C) to a still moderately hot 82.6°F (28.1°C). Weather in May »Weather in June
June, the first month of the summer in Saint David, is a hot month, with an average temperature fluctuating between 66.4°F (19.1°C) and 92.8°F (33.8°C). June, with its high-temperature average of 92.8°F (33.8°C) and a low-temperature average of 66.4°F (19.1°C), is the warmest month. Weather in June »Weather in July
July, the same as June, in Saint David, Arizona, is another tropical summer month, with an average temperature fluctuating between 71.8°F (22.1°C) and 90.9°F (32.7°C). The shift into July reveals an average high-temperature of a still hot 90.9°F (32.7°C), closely mirroring June's climate. Weather in July »Weather in August
August, the last month of the summer in Saint David, is another hot month, with an average temperature fluctuating between 70.5°F (21.4°C) and 90°F (32.2°C). August's onset brings an average high-temperature of a still hot 90°F (32.2°C), showing a minute difference from July's 90.9°F (32.7°C). Weather in August »Weather in September
The first month of the autumn, September, is still a warm month in Saint David, Arizona, with an average temperature fluctuating between 85.3°F (29.6°C) and 65.7°F (18.7°C). The arrival of September denotes a barely perceptible change in the average high-temperatures to a moderately hot 85.3°F (29.6°C) from August's 90°F (32.2°C). Weather in September »Weather in October
October, the same as September, is another warm autumn month in Saint David, Arizona, with an average temperature varying between 77.5°F (25.3°C) and 55.8°F (13.2°C). The onset of October is marked by a minor decrease in temperature, transitioning from 85.3°F (29.6°C) in September to a still moderately hot 77.5°F (25.3°C). Weather in October »Weather in November
The last month of the autumn, November, is also an enjoyable month in Saint David, Arizona, with an average temperature varying between 45.5°F (7.5°C) and 67.1°F (19.5°C). Saint David's November weather shows a moderate shift in high-temperatures, falling from October's moderately hot 77.5°F (25.3°C) to a refreshing 67.1°F (19.5°C). Weather in November »Weather in December
December, the first month of the winter in Saint David, is also a moderate month, with an average temperature fluctuating between 38.5°F (3.6°C) and 57.7°F (14.3°C). December, marked by an average high-temperature of 57.7°F (14.3°C) and a low-temperature of 38.5°F (3.6°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
Saint David, AZ
The warmest month (with the highest average high temperature) is June (92.8°F).
The month with the lowest average high temperature is December (57.7°F).
The month with the highest average low temperature is July (71.8°F).
The coldest months (with the lowest average low temperature) are January and December (38.5°F).
Average pressure
Saint David, AZ
- Average pressure in January:
30.08"Hg - Average pressure in February:
30.02"Hg - Average pressure in March:
29.98"Hg - Average pressure in April:
29.9"Hg - Average pressure in May:
29.87"Hg - Average pressure in June:
29.85"Hg
- Average pressure in July:
29.91"Hg - Average pressure in August:
29.91"Hg - Average pressure in September:
29.91"Hg - Average pressure in October:
29.94"Hg - Average pressure in November:
30.02"Hg - Average pressure in December:
30.05"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed
Saint David, AZ
- Average wind speed in January:
6.1mph - Average wind speed in February:
7mph - Average wind speed in March:
7.8mph - Average wind speed in April:
8.9mph - Average wind speed in May:
8.7mph - Average wind speed in June:
7.9mph
- Average wind speed in July:
6.4mph - Average wind speed in August:
5.6mph - Average wind speed in September:
6mph - Average wind speed in October:
6.5mph - Average wind speed in November:
6.6mph - Average wind speed in December:
6.3mph
The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity
Saint David, AZ
The month with the highest relative humidity is December (48%).
The month with the lowest relative humidity is June (21%).
Average rainfall
Saint David, AZ
- Average rainfall in January:
0.67" - Average rainfall in February:
0.63" - Average rainfall in March:
0.43" - Average rainfall in April:
0.12" - Average rainfall in May:
0.12" - Average rainfall in June:
0.31"
- Average rainfall in July:
2.17" - Average rainfall in August:
2.48" - Average rainfall in September:
1.42" - Average rainfall in October:
0.51" - Average rainfall in November:
0.79" - Average rainfall in December:
0.63"
The wettest month (with the highest rainfall) is August (2.48").
The driest months (with the least rainfall) are April and May (0.12").
Average rainfall days
Saint David, AZ
- Average rainfall days in January:
4.5 days - Average rainfall days in February:
4.5 days - Average rainfall days in March:
4.3 days - Average rainfall days in April:
2.5 days - Average rainfall days in May:
2.1 days - Average rainfall days in June:
4.4 days
- Average rainfall days in July:
16.5 days - Average rainfall days in August:
14.3 days - Average rainfall days in September:
10 days - Average rainfall days in October:
4.4 days - Average rainfall days in November:
3.5 days - Average rainfall days in December:
5.9 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is May (2.1 days).
Average snowfall
Saint David, AZ
The month with the highest snowfall is February (0.79").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days
Saint David, AZ
- Average snowfall days in January:
0.5 days - Average snowfall days in February:
0.5 days - Average snowfall days in March:
0 days - Average snowfall days in April:
0 days - Average snowfall days in May:
0 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0 days - Average snowfall days in November:
0 days - Average snowfall days in December:
0.4 days
The months with the highest number of snowfall days are January and February (0.5 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight / Average sunshine
Saint David, 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 18min - 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:
8h and 48min - Average sunshine in March:
9h and 18min - Average sunshine in April:
11h and 6min - Average sunshine in May:
12h and 0min - Average sunshine in June:
12h and 0min
- Average sunshine in July:
11h and 54min - Average sunshine in August:
12h and 6min - Average sunshine in September:
10h and 0min - Average sunshine in October:
7h and 48min - Average sunshine in November:
7h and 18min - Average sunshine in December:
6h and 54min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days
Saint David, AZ
- Average sunshine days in January:
26 days - Average sunshine days in February:
23.3 days - Average sunshine days in March:
26.7 days - Average sunshine days in April:
27.6 days - Average sunshine days in May:
28.4 days - Average sunshine days in June:
23.5 days
- Average sunshine days in July:
9.4 days - Average sunshine days in August:
11.6 days - Average sunshine days in September:
16.1 days - Average sunshine days in October:
24.7 days - Average sunshine days in November:
25.6 days - Average sunshine days in December:
24.4 days
The month with the most sunshine days is May (28.4 days).
The month with the least sunshine days is July (9.4 days).
Average UV index
Saint David, AZ
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).
Average cloud cover
Saint David, AZ
The months with the most cloud cover are July and December (Cloud cover 20).
The month with the least cloud cover is May (Cloud cover 7).
Average visibility
Saint David, 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).





