Climate and monthly weather forecastFort Defiance, AZ
Climate and monthly weather forecast
Weather in January
January, the same as December, is an icy winter month in Fort Defiance, Arizona, with an average temperature varying between 37.8°F (3.2°C) and 21.6°F (-5.8°C). In Fort Defiance, January is the coldest month, with temperatures averaging a high of 37.8°F (3.2°C) and a low of 21.6°F (-5.8°C). Weather in January »Weather in February
The last month of the winter, February, is also an icy month in Fort Defiance, Arizona, with temperature in the range of an average low of 25°F (-3.9°C) and an average high of 41.5°F (5.3°C). In the transition from January to February, Fort Defiance reports an average high-temperature of a still cold 41.5°F (5.3°C), indicating a close resemblance to the prior month. Weather in February »Weather in March
March, the first month of the spring in Fort Defiance, is a fresh month, with an average temperature fluctuating between 32.4°F (0.2°C) and 51.8°F (11°C). In March, the meteorological conditions change with the average high-temperature moving from an icy 41.5°F (5.3°C) in February to a cool 51.8°F (11°C). Weather in March »Weather in April
April in Fort Defiance, Arizona, is a mild spring month, with an average temperature fluctuating between 59.5°F (15.3°C) and 37.2°F (2.9°C). In Fort Defiance, stepping into April brings a gentle temperature nudge, moving slightly up from March's fresh 51.8°F (11°C) to a moderate 59.5°F (15.3°C). Weather in April »Weather in May
May, the last month of the spring in Fort Defiance, is an enjoyable month, with an average temperature fluctuating between 44.6°F (7°C) and 67.8°F (19.9°C). Fort Defiance in May observes a minor temperature shift, with average high-temperatures adjusting from a moderate 59.5°F (15.3°C) in April to a still refreshing 67.8°F (19.9°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Fort Defiance, Arizona, with temperature in the range of an average high of 81°F (27.2°C) and an average low of 55.6°F (13.1°C). The average high-temperature increases in June, moving from an enjoyable 67.8°F (19.9°C) in May to a moderately hot 81°F (27.2°C). Weather in June »Weather in July
July, like June, in Fort Defiance, Arizona, is another warm summer month, with an average temperature fluctuating between 61.7°F (16.5°C) and 81.7°F (27.6°C). With its high average temperature of 81.7°F (27.6°C) and a low of 61.7°F (16.5°C), July is regarded as the warmest month. During July, the heat index is appraised at 80.6°F (27°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderately hot month in Fort Defiance, Arizona, with temperature in the range of an average low of 60.8°F (16°C) and an average high of 79.9°F (26.6°C). The onset of August manifests an average high-temperature of a still warm 79.9°F (26.6°C), demonstrating a minor variation from the preceding month. Weather in August »Weather in September
September, the first month of the autumn in Fort Defiance, is still a warm month, with an average temperature ranging between min 54.1°F (12.3°C) and max 73.4°F (23°C). A minor decrease in the average high-temperature is observed during September, shifting from a moderately hot 79.9°F (26.6°C) in August to a still warm 73.4°F (23°C). Weather in September »Weather in October
October, the same as September, is another enjoyable autumn month in Fort Defiance, Arizona, with temperature in the range of an average low of 41.7°F (5.4°C) and an average high of 61.7°F (16.5°C). Fort Defiance's weather in October involves a decrease in the average high-temperature, moving down from September's moderately hot 73.4°F (23°C) to a comfortable 61.7°F (16.5°C). Weather in October »Weather in November
November, the last month of the autumn in Fort Defiance, is also a fresh month, with an average temperature fluctuating between 50.7°F (10.4°C) and 30.7°F (-0.7°C). November weather is marked by a drop in the average high-temperature, falling from an enjoyable 61.7°F (16.5°C) in October to a fresh 50.7°F (10.4°C). Weather in November »Weather in December
The first month of the winter, December, is also an icy month in Fort Defiance, Arizona, with an average temperature varying between 39.6°F (4.2°C) and 23.2°F (-4.9°C). The start of December involves a temperature drop, moving from a fresh 50.7°F (10.4°C) in November to a wintry 39.6°F (4.2°C). Weather in December »Updated: Jun 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
The coldest period is January, when temperatures fluctuate between an average high of 37.8°F (3.2°C) and a low of 21.6°F (-5.8°C).
The most humid month is January, with an average relative humidity of 71%.
Throughout the year, there are 91.1 rainfall days, and 12.72" (323mm) of precipitation is accumulated.
January through May, October through December are months with snowfall.
Throughout the year, there are 37.7 snowfall days, and 22.44" (570mm) of snow is accumulated.
The months with the least sunshine are January and December, with an average of 6.4h of sunshine.
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from MDT to MST.
With an average relative humidity of 24%, June is the least humid month.
The month with the least rainfall is June, when the rain falls for 5.3 days and typically collects 0.39" (10mm) of precipitation.
In Fort Defiance, snow does not fall in June through September.
The month with the longest days is June, with an average of 14h and 30min of daylight.
With an average of 11.8h of sunshine, June has the most sunshine of the year.
June through August, with an average maximum UV index of 6, are months with the highest UV index.
Fort Defiance's temperature records reveal July as the warmest month, marked by average highs of 81.7°F (27.6°C) and lows of 61.7°F (16.5°C).
July is the month with the most rainfall. Rain falls for 19.7 days and accumulates 2.76" (70mm) of precipitation.
December is the month with the most snowfall. Snow falls for 9 days and accumulates 6.42" (163mm) of snow.
December has the shortest days of the year in Fort Defiance, with an average of 9h and 48min of daylight.
Average temperature
Fort Defiance, AZ
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (37.8°F).
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure
Fort Defiance, AZ
- Average pressure in January:
30.19"Hg - Average pressure in February:
30.07"Hg - Average pressure in March:
29.99"Hg - Average pressure in April:
29.89"Hg - Average pressure in May:
29.88"Hg - Average pressure in June:
29.87"Hg
- Average pressure in July:
29.94"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
29.97"Hg - Average pressure in October:
30.01"Hg - Average pressure in November:
30.09"Hg - Average pressure in December:
30.13"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed
Fort Defiance, AZ
- Average wind speed in January:
6.8mph - Average wind speed in February:
8.6mph - Average wind speed in March:
9.9mph - Average wind speed in April:
11.4mph - Average wind speed in May:
10.7mph - Average wind speed in June:
10mph
- Average wind speed in July:
7mph - Average wind speed in August:
6.6mph - Average wind speed in September:
7.3mph - Average wind speed in October:
7.9mph - Average wind speed in November:
8mph - Average wind speed in December:
7.5mph
The windiest month (with the highest average wind speed) is April (11.4mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity
Fort Defiance, AZ
The month with the highest relative humidity is January (71%).
The month with the lowest relative humidity is June (24%).
Average rainfall
Fort Defiance, AZ
- Average rainfall in January:
0.91" - Average rainfall in February:
1.02" - Average rainfall in March:
0.91" - Average rainfall in April:
0.47" - Average rainfall in May:
0.51" - Average rainfall in June:
0.39"
- Average rainfall in July:
2.76" - Average rainfall in August:
1.81" - Average rainfall in September:
1.54" - Average rainfall in October:
0.75" - Average rainfall in November:
0.59" - Average rainfall in December:
1.06"
The wettest month (with the highest rainfall) is July (2.76").
The driest month (with the least rainfall) is June (0.39").
Average rainfall days
Fort Defiance, AZ
- Average rainfall days in January:
3.7 days - Average rainfall days in February:
3.4 days - Average rainfall days in March:
5.8 days - Average rainfall days in April:
5.7 days - Average rainfall days in May:
6.9 days - Average rainfall days in June:
5.3 days
- Average rainfall days in July:
19.7 days - Average rainfall days in August:
15.3 days - Average rainfall days in September:
12.1 days - Average rainfall days in October:
6.6 days - Average rainfall days in November:
3.1 days - Average rainfall days in December:
3.5 days
The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is November (3.1 days).
Average snowfall
Fort Defiance, AZ
- Average snowfall in January:
5.51" - Average snowfall in February:
5.12" - Average snowfall in March:
2.44" - Average snowfall in April:
0.79" - Average snowfall in May:
0.35" - Average snowfall in June:
0"
The month with the highest snowfall is December (6.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Fort Defiance, AZ
- Average snowfall days in January:
8.7 days - Average snowfall days in February:
7.8 days - Average snowfall days in March:
4.7 days - Average snowfall days in April:
2.7 days - Average snowfall days in May:
0.7 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:
0.8 days - Average snowfall days in November:
3.3 days - Average snowfall days in December:
9 days
The month with the highest number of snowfall days is December (9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Fort Defiance, AZ
- Average daylight in January:
10h and 6min - Average daylight in February:
10h and 54min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 6min - Average daylight in May:
14h and 6min - Average daylight in June:
14h and 30min
- Average daylight in July:
14h and 18min - Average daylight in August:
13h and 30min - Average daylight in September:
12h and 24min - Average daylight in October:
11h and 18min - Average daylight in November:
10h and 18min - Average daylight in December:
9h and 48min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in January:
6h and 24min - Average sunshine in February:
7h and 18min - Average sunshine in March:
9h and 6min - Average sunshine in April:
10h and 54min - Average sunshine in May:
11h and 24min - Average sunshine in June:
11h and 48min
- Average sunshine in July:
11h and 36min - Average sunshine in August:
11h and 42min - Average sunshine in September:
10h and 48min - Average sunshine in October:
7h and 24min - Average sunshine in November:
7h and 12min - Average sunshine in December:
6h and 24min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The months with the least sunshine are January and December (Average sunshine: 6h and 24min).
Average sunshine days
Fort Defiance, AZ
- Average sunshine days in January:
20.7 days - Average sunshine days in February:
18.8 days - Average sunshine days in March:
21.1 days - Average sunshine days in April:
20.4 days - Average sunshine days in May:
21.7 days - Average sunshine days in June:
22.4 days
- Average sunshine days in July:
8.7 days - Average sunshine days in August:
11.5 days - Average sunshine days in September:
13.7 days - Average sunshine days in October:
22.5 days - Average sunshine days in November:
23.5 days - Average sunshine days in December:
19.7 days
The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is July (8.7 days).
Average UV index
Fort Defiance, AZ
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Fort Defiance, AZ
The months with the most cloud cover are January and December (Cloud cover 29).
The month with the least cloud cover is June (Cloud cover 10).
Average visibility
Fort Defiance, AZ
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
