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Wyoming - National parks

Jackson weather and climate

Wyoming - National parks

Jackson weather and climate

 

Day

27 °C

 

Night

6 °C

 

Precipitation

28 mm

in month

 

Rainy days

7 days

in month

 

Daylight

15 hours

average

 

Sunshine

11 hours

average

 

Humidity

42 %

 

Day

27 °C

 

Night

6 °C

 

Precipitation

28 mm

in month

 

Rainy days

7 days

in month

 

Daylight

15 hours

average

 

Sunshine

11 hours

average

 

Humidity

42 %

Overview: Jackson
Jackson (United States of America) is a place with a mild continental climate. The day temperatures range from -2 °C (28 °F) in December to 27 °C (81 °F) in July. The driest month is August with just 7 days of rain, on the contrary, the month when it rains the most is March with 12 days of rain. The highest night temperatures could be experienced in July with 6 °C (42 °F), the lowest in January with -15 °C (5 °F).

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Aerial view of architecture in Jackson on a clear sky day

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Last week's weather in Jackson

Average daily temperature during the week of 23 June 2025 - 29 June 2025 was 24 °C (75 °F), average minimal (night) temperature was 5 °C (41 °F). These temperatures are roughly same as the long-time average for Jackson, being 23 °C (73 °F) for daily temperatures and 4 °C (39 °F) for night temperatures. Tuesday marked the hottest day of the week. In the beginning, Monday was coldest day of the week. The average temperatures observed during different times of day (based on local time) were as below: 7am 5 °C (41 °F), 10am 15 °C (59 °F), 1pm 22 °C (72 °F), 4pm 23 °C (73 °F), 7pm 23 °C (73 °F), 10pm 13 °C (55 °F).

There were 7 days without rain during this week. Jackson received 0 mm (0.00 in) of precipitation throughout the week, which is below its long-term average of 10 mm (0.39 in). The daytime hours (from dawn to dusk) had an average cloud coverage of 15 %.

The wind's speed averaged 3.1 m/s. The atmosferic pressure ranged from 1008 hpa to 1026 hpa. The average air humidity was 46 % in Jackson.

On average, there were 13 hours clear skies, 1 hour partially overcast skies and 2 hours overcast skies during the daytime (from dawn to dusk). At 05:43, on average, the sun rose, and at 21:07, the sun set.

Weather overview for Jackson

Weather overview

Jackson (United States of America) is a place with a mild continental climate. The day temperatures range from -2 °C (28 °F) in December to 27 °C (81 °F) in July. The driest month is August with just 7 days of rain, on the contrary, the month when it rains the most is March with 12 days of rain. The highest night temperatures could be experienced in July with 6 °C (42 °F), the lowest in January with -15 °C (5 °F).

January weather

The night temperature is on its minimum in Jackson. The number of sun hours (without clouds) starts to rise, with its value being 5 hours.

February weather

The day temperature rise's start could be observed, its value is 0 °C (32 °F) in Jackson, and the beginning of the rise of the night temperature could be noticed as well. The rainfall amount starts to descent, with its value being 43 mm (1.69 in). The number of sun hours (without clouds) continues to rise, with its value being 6 hours.

March weather

The number of rainy days is on its maximum in March in Jackson. The day temperature continues to rise, with its value of 5 °C (41 °F), and the rise of the night temperature can be observed as well, with its value being -9 °C (16 °F). The number of sun hours (without clouds) rises similarly to the previous month, with its value of 8 hours.

April weather

The night temperature continues to rise, its value is -4 °C (24 °F) in Jackson, and the day temperature continues to rise too, with its value being 10 °C (50 °F). The wind speed reaches its maximum, its value is 4. The rise of the number of sun hours (without clouds) can be observed, the value of this measure is 9 hours.

May weather

The rise of the day temperature can be observed, its value is 16 °C (62 °F) in Jackson, and the rise of the night temperature can be observed as well, its value is 0 °C (31 °F). The rainfall amount is on its maximum, with its value being 55 mm (2.16 in). The number of sun hours (without clouds) continues to rise, with its value of 9 hours.

June weather

The tourist season is at its beginning this month in Jackson. The day temperature rises similarly to the previous month, with its value of 22 °C (71 °F), and the night temperature continues to rise as well, with its value of 3 °C (38 °F). The number of sun hours (without clouds) rises similarly to the previous month, the value of this measure is 11 hours. The maximum of the day length is observable, with its value being 15 hours. The number of rainy days starts to descent in June.

July weather

The tourist season is taking place in Jackson. The day temperature reaches its maximum, the value of this measure is 27 °C (81 °F), and the maximum of the night temperature is observable as well in July. The rainfall amount is on its minimum, with its value being 28 mm (1.12 in). The maximum of the number of sun hours (without clouds) is observable in July. The minimum of the humidity is observable, the value of this measure is 42 %.

August weather

The tourist season continues in Jackson, and the dry season is taking place as well this month. The minimum of the number of rainy days is observable, with its value being 7 days. The number of sun hours (without clouds) starts to descent in this month. The beginning of the descent of the night temperature could be noticed, with its value of 5 °C (41 °F).

September weather

There is pending tourist season in Jackson. The day temperature descent's start could be observed, its value is 21 °C (70 °F), while the night temperature continues to descent, its value is 1 °C (33 °F). The number of rainy days starts to rise, with its value of 7 days, and the rainfall amount starts to rise too, its value is 37 mm (1.47 in). The number of sun hours (without clouds) descents similarly to the previous month, with its value of 9 hours.

October weather

The ongoing dry season is noticeable in Jackson. The night temperature continues to descent, its value is -4 °C (24 °F), and the descent of the day temperature can be observed as well, with its value of 13 °C (55 °F). The number of sun hours (without clouds) descents similarly to the previous month, its value is 7 hours.

November weather

The number of rainy days starts to rise, with its value of 10 days in Jackson, and the rainfall amount starts to rise as well, the value of this measure is 51 mm (2.00 in). The day temperature continues to descent, its value is 4 °C (39 °F), and the night temperature descents similarly to the previous month too. The number of sun hours (without clouds) descents similarly to the previous month, the value of this measure is 5 hours.

December weather

The rise of the number of rainy days can be observed, the value of this measure is 11 days in Jackson. The minimum of the day temperature is observable in December. The number of sun hours (without clouds) is on its minimum, with its value being 4 hours. The maximum of the humidity is observable, with its value being 69 %. The day length reaches its minimum, with its value being 9 hours. The minimum of the wind speed is observable in this month.

FAQs

What is the air temperature in Jackson in May at night?

The average night temperature in Jackson in May is 0 °C (31 °F). The nights will be cool, layers of clothes will be needed for evening and morning walks, the hotel should be equipped with heating.

How many days of precipitation on average can I expect in June in Jackson?

In Jackson in June, we can expect 9 days to be rainy, that is, days when precipitation exceeds 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 2.0 days of the week, or in general - 29 % days.

What is the temperature in Jackson during the day in July?

The average daily temperature in July in Jackson is 27 °C (81 °F). The ideal temperature for enjoying sunbathing by the water and a good temperature for other activities. For some people, it will be too hot in the direct sunlight and the stay may not be so pleasant. Don't forget to pack flip-flops, sunscreen, and a hand fan if necessary - it may come in handy.

Is it hot in August in Jackson?

In Jackson in August, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.

Is September a good month to visit Jackson?

There are good conditions for visiting in September in Jackson. You can expect just 7 days of rain during the month, taking an umbrella is not necessary. There are some people, who may feel a slight chill at 21 °C (70 °F), but others will feel perfectly fine. The night temperature of 1 °C (33 °F) is not inviting for evening and night activities except for visiting a bar and having beer or two.

Is October part of the wet season in Jackson?

No, there is no wet season in Jackson in October - you can expect 8 days of rain during the month.

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