Climate and monthly weather forecast
Meridian, ID

The trees blossom with colorful flower petals near a high water tower in Meridian, Idaho
The trees blossom with colorful flower petals near a high water tower in Meridian, Idaho

Weather in January

January, the same as December, is a wintry winter month in Meridian, Idaho, with an average temperature ranging between max 36.7°F (2.6°C) and min 25.2°F (-3.8°C). In Meridian, the average high-temperature in January is essentially the same as in December - a still wintry 36.7°F (2.6°C). Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Meridian, Idaho, with temperature in the range of an average low of 29.8°F (-1.2°C) and an average high of 42.1°F (5.6°C). In Meridian, Idaho, the average high-temperature in February is essentially the same as in January - a still cold 42.1°F (5.6°C). Weather in February »

Weather in March

March, the first month of the spring in Meridian, is a fresh month, with temperature in the range of an average low of 36.1°F (2.3°C) and an average high of 51.4°F (10.8°C). In Meridian, the average high-temperature in March rises from a wintry 42.1°F (5.6°C) in February to a fresh 51.4°F (10.8°C). Weather in March »

Weather in April

April is a mild spring month in Meridian, Idaho, with an average temperature fluctuating between 59.5°F (15.3°C) and 39.7°F (4.3°C). In Meridian, the average high-temperature in April slightly increases from a fresh 51.4°F (10.8°C) in March to a mild 59.5°F (15.3°C). Weather in April »

Weather in May

May, the last month of the spring in Meridian, is an agreeable month, with temperature in the range of an average low of 46.6°F (8.1°C) and an average high of 69.3°F (20.7°C). In Meridian, the average high-temperature in May rises from a mild 59.5°F (15.3°C) in April to an agreeable 69.3°F (20.7°C). Weather in May »

Weather in June

The first month of the summer, June, is a moderately hot month in Meridian, Idaho, with an average temperature varying between 53.8°F (12.1°C) and 77.9°F (25.5°C). In Meridian, the average high-temperature in June marginally rises from an agreeable 69.3°F (20.7°C) in May to a warm 77.9°F (25.5°C). Weather in June »

Weather in July

July is a tropical summer month in Meridian, Idaho, with an average temperature fluctuating between 90.3°F (32.4°C) and 61.7°F (16.5°C). With an average high-temperature of 90.3°F (32.4°C) and an average low-temperature of 61.7°F (16.5°C), July is the warmest month. Weather in July »

Weather in August

The last month of the summer, August, is another tropical month in Meridian, Idaho, with an average temperature fluctuating between 62.2°F (16.8°C) and 89.1°F (31.7°C). In Meridian, the average high-temperature in August is practically the same as in July - a still tropical 89.1°F (31.7°C). Weather in August »

Weather in September

September, the first month of the autumn in Meridian, is still a warm month, with an average temperature fluctuating between 54.7°F (12.6°C) and 78.1°F (25.6°C). In September, the average high-temperature decreases from a hot 89.1°F (31.7°C) in August to a moderately hot 78.1°F (25.6°C). Weather in September »

Weather in October

October, like September, in Meridian, Idaho, is another enjoyable autumn month, with an average temperature fluctuating between 61°F (16.1°C) and 43.3°F (6.3°C). In October, the average high-temperature significantly decreases from a moderately hot 78.1°F (25.6°C) in September to an enjoyable 61°F (16.1°C). Weather in October »

Weather in November

November, the last month of the autumn in Meridian, is also a frosty month, with an average temperature fluctuating between 33.1°F (0.6°C) and 47.7°F (8.7°C). In November, the average high-temperature decreases from a comfortable 61°F (16.1°C) in October to a chilly 47.7°F (8.7°C). Weather in November »

Weather in December

December, the first month of the winter in Meridian, is still a cold month, with an average temperature varying between 36°F (2.2°C) and 24.6°F (-4.1°C). December is the coldest month, with an average high-temperature of 36°F (2.2°C) and an average low-temperature of 24.6°F (-4.1°C). Weather in December »
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FAQ

What is the most humid month in Meridian?

With an average relative humidity of 79%, January is the most humid month.

How much does it rain in Meridian?

In Meridian, Idaho, during the entire year, the rain falls for 112.8 days and collects up to 12.48" (317mm) of precipitation.

When does it snow in Meridian?

January through March, November and December are months with snowfall.

How much does it snow in Meridian?

In Meridian, during the entire year, snow falls for 27.1 days and aggregates up to 14.45" (367mm) of snow.

When is the lowest UV index in Meridian?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the rainiest month in Meridian?

March is the month with the most rainfall. Rain falls for 16.2 days and accumulates 1.97" (50mm) of precipitation.

When is Daylight Saving Time (DST) in Meridian?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Meridian, Idaho, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from MDT to MST.

When it does not snow in Meridian?

April through October are months without snowfall in Meridian.

When are the longest days in Meridian?

The month with the longest days in Meridian, Idaho, is June, with an average of 15h and 23min of daylight.

What is the warmest month in Meridian?

The warmest month is July, with an average high-temperature of 90.3°F (32.4°C) and an average low-temperature of 61.7°F (16.5°C).

What are the least humid months in Meridian?

The months with the lowest humidity in Meridian are July and August, with an average relative humidity of 30%.

What is the driest month in Meridian?

July is the month with the least rainfall in Meridian, Idaho. Rain falls for 3.2 days and accumulates 0.12" (3mm) of precipitation.

What month has the most sunshine in Meridian?

July has the most sunshine of the year in Meridian, with an average of 12.1h of sunshine.

What is the month with the highest UV index in Meridian?

July is the month with the highest UV index in Meridian, with an average maximum UV index of 7.

What is the coldest month in Meridian?

December is the coldest month, with an average high-temperature of 36°F (2.2°C) and an average low-temperature of 24.6°F (-4.1°C).

What is the snowiest month in Meridian?

December is the month with the most snowfall in Meridian. Snow falls for 8.5 days and accumulates 4.88" (124mm) of snow.

What is the month with the shortest days in Meridian?

The month with the shortest days in Meridian is December, with an average of 9h and 0min of daylight.

What is the month with the least sunshine in Meridian?

The month with the least sunshine in Meridian, Idaho, is December, with an average of 5.7h of sunshine.

Average temperature
Meridian, ID

Average temperature - Meridian, ID

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is December (36°F).

The month with the highest average low temperature is August (62.2°F).
The coldest month (with the lowest average low temperature) is December (24.6°F).

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Average pressure
Meridian, ID

Average pressure - Meridian, ID

The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed
Meridian, ID

Average wind speed - Meridian, ID

The windiest months (with the highest average wind speed) are March and April (7.3mph).
The calmest month (with the lowest average wind speed) is January (5.4mph).

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Average humidity
Meridian, ID

Average humidity - Meridian, ID

The month with the highest relative humidity is January (79%).
The months with the lowest relative humidity are July and August (30%).

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Average rainfall
Meridian, ID

Average rainfall - Meridian, ID

The wettest month (with the highest rainfall) is March (1.97").
The driest month (with the least rainfall) is July (0.12").

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Average rainfall days
Meridian, ID

Average rainfall days - Meridian, ID

The month with the highest number of rainy days is March (16.2 days).
The month with the least rainy days is July (3.2 days).

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Average snowfall
Meridian, ID

Average snowfall - Meridian, ID

The month with the highest snowfall is December (4.88").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days
Meridian, ID

Average snowfall days - Meridian, ID

The month with the highest number of snowfall days is December (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Meridian, ID

Average daylight / Average sunshine - Meridian, ID

The month with the longest days is June (Average daylight: 15h and 23min).
The month with the shortest days is December (Average daylight: 9h and 0min).

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

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Average sunshine days
Meridian, ID

Average sunshine days - Meridian, ID

The month with the most sunshine days is July (25.4 days).
The month with the least sunshine days is March (12.3 days).

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Average UV index
Meridian, ID

Average UV index - Meridian, ID

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average visibility
Meridian, ID

Average visibility - Meridian, ID

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).

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