Climate and monthly weather forecast
Gillespie, AZ

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Weather in January

January, the same as December, is another refreshing winter month in Gillespie, Arizona, with an average temperature varying between 64.8°F (18.2°C) and 47.8°F (8.8°C). January's presence marks an average high-temperature of a still refreshing 64.8°F (18.2°C), subtly varied from December's 63.1°F (17.3°C). Weather in January »

Weather in February

February, the last month of the winter in Gillespie, is an agreeable month, with an average temperature varying between 50.5°F (10.3°C) and 68.5°F (20.3°C). Gillespie marks the arrival of February with an average high-temperature of a pleasant 68.5°F (20.3°C), hardly different from January's 64.8°F (18.2°C). Weather in February »

Weather in March

March, the first month of the spring in Gillespie, is a warm month, with temperature in the range of an average low of 57°F (13.9°C) and an average high of 76.3°F (24.6°C). In Gillespie, stepping into March brings a gentle temperature nudge, moving slightly up from February's pleasant 68.5°F (20.3°C) to a warm 76.3°F (24.6°C). Weather in March »

Weather in April

April, like March, in Gillespie, Arizona, is another warm spring month, with an average temperature fluctuating between 83.1°F (28.4°C) and 61.3°F (16.3°C). Gillespie's weather shows a minor temperature rise with the arrival of April, moving from a warm 76.3°F (24.6°C) in March to a still moderately hot 83.1°F (28.4°C). Weather in April »

Weather in May

May, the last month of the spring in Gillespie, is a tropical month, with an average temperature varying between 90.5°F (32.5°C) and 67.5°F (19.7°C). Gillespie's May weather indicates a minor increase in high-temperatures, edging from April's moderately hot 83.1°F (28.4°C) to a hot 90.5°F (32.5°C). Weather in May »

Weather in June

The first month of the summer, June, is a very hot month in Gillespie, Arizona, with an average temperature ranging between max 101.3°F (38.5°C) and min 76.1°F (24.5°C). In Gillespie, the onset of June comes with an increased average high-temperature, moving from May's hot 90.5°F (32.5°C) to a fiery hot 101.3°F (38.5°C). Weather in June »

Weather in July

July, the same as June, is another torrid summer month in Gillespie, Arizona, with an average temperature fluctuating between 84°F (28.9°C) and 102.4°F (39.1°C). With its high average temperature of 102.4°F (39.1°C) and a low of 84°F (28.9°C), July is regarded as the warmest month. Weather in July »

Weather in August

August, the last month of the summer in Gillespie, is also a sweltering month, with an average temperature fluctuating between 101.5°F (38.6°C) and 85.3°F (29.6°C). Transitioning from July to August, Gillespie observes an average high-temperature of a still fiery hot 101.5°F (38.6°C), differing subtly from the previous month. Weather in August »

Weather in September

The first month of the autumn, September, is also a fiery hot month in Gillespie, Arizona, with an average temperature fluctuating between 96.6°F (35.9°C) and 79.5°F (26.4°C). The commencement of September brings an average high-temperature of a still torrid 96.6°F (35.9°C), marking an inconsequential divergence from August. Weather in September »

Weather in October

October, like September, in Gillespie, Arizona, is another warm autumn month, with an average temperature varying between 85.5°F (29.7°C) and 67.8°F (19.9°C). Gillespie's progression into October involves a drop in the average high-temperature, receding from a fiery hot 96.6°F (35.9°C) in September to a moderately hot 85.5°F (29.7°C). Weather in October »

Weather in November

November, the last month of the autumn in Gillespie, is another warm month, with an average temperature fluctuating between 56.1°F (13.4°C) and 73.9°F (23.3°C). The start of November signals a decrease in the average high-temperature, transitioning from a moderately hot 85.5°F (29.7°C) in October to a still warm 73.9°F (23.3°C). Weather in November »

Weather in December

The first month of the winter, December, is still a refreshing month in Gillespie, Arizona, with an average temperature ranging between min 47.7°F (8.7°C) and max 63.1°F (17.3°C). Gillespie records the coldest temperatures in December, averaging a high of 63.1°F (17.3°C) and a low of 47.7°F (8.7°C). Weather in December »
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How much does it rain?

Throughout the year, there are 57.6 rainfall days, and 6.61" (168mm) of precipitation is accumulated.

What is the driest month?

April through June are months with the least rain when the rain falls for 2.2 days and typically aggregates up to 0.08" (2mm) of rain.

What is the least humid month?

With an average relative humidity of 17%, June is the least humid month.

When are the longest days in Gillespie?

With an average of 14h and 18min of daylight, June has the longest days of the year.

What month has the most sunshine?

June has the most sunshine of the year, with an average of 12.1h of sunshine.

What is the month with the highest UV index?

June through August, with an average maximum UV index of 8, are months with the highest UV index.

What is the warmest month?

With average high and low temperatures of 102.4°F (39.1°C) and 84°F (28.9°C) respectively, July is Gillespie's warmest month.

What is the wettest month?

July is the month with the most rainfall. Rain falls for 12.9 days and accumulates 1.5" (38mm) of precipitation.

What month is the coldest?

During the coldest month in Gillespie, December, temperatures average a high of 63.1°F (17.3°C) and a low of 47.7°F (8.7°C).

What is the most humid month?

With an average relative humidity of 42%, December is the most humid month.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 10h and 0min of daylight.

Is there Daylight Saving Time (DST)?

Gillespie does not utilize Daylight Saving Time (DST). MST timezone is used throughout the entire year.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 7h of sunshine.

What is the month with the lowest UV index?

With an average maximum UV index of 3, December is the month with the lowest UV index.

Average temperature
Gillespie, AZ

Average temperature - Gillespie, AZ

The warmest month (with the highest average high temperature) is July (102.4°F).
The month with the lowest average high temperature is December (63.1°F).

The month with the highest average low temperature is August (85.3°F).
The coldest month (with the lowest average low temperature) is December (47.7°F).

Average pressure
Gillespie, AZ

Average pressure - Gillespie, AZ

The month with the highest atmospheric pressure is January (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.76"Hg).

Average wind speed
Gillespie, AZ

Average wind speed - Gillespie, AZ

The windiest months (with the highest average wind speed) are May and June (8.3mph).
The calmest months (with the lowest average wind speed) are January and December (5.3mph).

Average humidity
Gillespie, AZ

Average humidity - Gillespie, AZ

The month with the highest relative humidity is December (42%).
The month with the lowest relative humidity is June (17%).

Average rainfall
Gillespie, AZ

Average rainfall - Gillespie, AZ

The wettest month (with the highest rainfall) is July (1.5").
The driest months (with the least rainfall) are April, May and June (0.08").

Average rainfall days
Gillespie, AZ

Average rainfall days - Gillespie, AZ

The month with the highest number of rainy days is July (12.9 days).
The month with the least rainy days is May (1.3 days).

Average daylight / Average sunshine
Gillespie, AZ

Average daylight / Average sunshine - Gillespie, AZ

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).

Average sunshine days
Gillespie, AZ

Average sunshine days - Gillespie, AZ

The month with the most sunshine days is May (29.2 days).
The month with the least sunshine days is July (13.4 days).

Average visibility
Gillespie, AZ

Average visibility - Gillespie, 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).

Gillespie, Arizona, USA

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