Lewiston
Idaho, USA
Long-term weather forecast
Long-term weather forecast
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July weather forecast and Climate
Lewiston, ID

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  • The average high temperature in July: 89.3°F

The warmest month (with the highest average high temperature) is July (89.3°F).
The month with the lowest average high temperature is December (39.5°F).

  • The average low temperature in July: 59.6°F

The month with the highest average low temperature is July (59.6°F).
The coldest month (with the lowest average low temperature) is December (28°F).

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  • The average rainfall in July: 0.6"

The wettest month (with the highest rainfall) is May (1.6").
The driest month (with the lowest rainfall) is July (0.6").

  • The average rainfall days in July: 4.6 days

The month with the highest number of rainy days is November (11.3 days).
The month with the lowest number of rainy days is August (4.1 days).

  • The average snowfall in July: 0"

The month with the highest snowfall is December (3.3").
Months with the lowest snowfall are April, May, June, July, August, September and October (0").

  • The average snowfall days in July: 0 days

The month with the highest number of snowfall days is December (3.6 days).
Months with the lowest number of snowfall days are April, May, June, July, August, September and October (0 days).

  • The average daylight in July: 15h

The month with the longest days is June (Average daylight: 16h).
Months with shortest days are January, November and December (Average daylight: 9h).

  • The average sunshine in July: 14h

The month with most sunshine is July (Average sunshine: 14h).
The month with least sunshine is December (Average sunshine: 2h).

  • The average UV index in July: 8

Months with the highest UV index are June and July (UV index 8).
Months with the lowest UV index are January, November and December (UV index 1).

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