Climate and monthly weather forecast
Simla, CO

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Weather in January

January, like December, in Simla, Colorado, is an icy winter month, with an average temperature fluctuating between 23.4°F (-4.8°C) and 41.2°F (5.1°C). Simla's average high-temperature marks a still wintry 41.2°F (5.1°C) with the advent of January, closely mirroring that of the preceding month. Weather in January »

Weather in February

The last month of the winter, February, is another cold month in Simla, Colorado, with temperature in the range of an average low of 23.4°F (-4.8°C) and an average high of 41.2°F (5.1°C). Simla sees an average high-temperature of a still wintry 41.2°F (5.1°C) as it transitions into February, consistent with January. Weather in February »

Weather in March

The first month of the spring, March, is a cool month in Simla, Colorado, with an average temperature fluctuating between 53.1°F (11.7°C) and 32.9°F (0.5°C). The shift from February to March brings an increase in the average high-temperature, moving from a cold 41.2°F (5.1°C) to a fresh 53.1°F (11.7°C). Weather in March »

Weather in April

April in Simla, Colorado, is a moderate spring month, with an average temperature ranging between max 59.5°F (15.3°C) and min 38.3°F (3.5°C). The shift from March to April is marked by a slight increase in the average high-temperature, moving from a cool 53.1°F (11.7°C) to a moderate 59.5°F (15.3°C). Weather in April »

Weather in May

May, the last month of the spring in Simla, is a refreshing month, with an average temperature fluctuating between 67.8°F (19.9°C) and 46.6°F (8.1°C). The onset of May marks a slight increase in the average high-temperature, moving from a mild 59.5°F (15.3°C) in April to a comfortable 67.8°F (19.9°C). Weather in May »

Weather in June

June, the first month of the summer in Simla, is a warm month, with an average temperature varying between 58.6°F (14.8°C) and 82.4°F (28°C). The start of June is characterized by a significant increase in the average high-temperature, moving from an enjoyable 67.8°F (19.9°C) in May to a warm 82.4°F (28°C). Weather in June »

Weather in July

July is a hot summer month in Simla, Colorado, with an average temperature varying between 86°F (30°C) and 64°F (17.8°C). The warmest period tends to be July, when average temperatures fluctuate between a high of 86°F (30°C) and a low of 64°F (17.8°C). Throughout July, the heat index is evaluated at a tropical 87.8°F (31°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Simla, Colorado, with temperature in the range of an average high of 84°F (28.9°C) and an average low of 61.5°F (16.4°C). Simla's shift into August is marked by a subtle change to a moderately hot 84°F (28.9°C) from July's 86°F (30°C) in temperature. Weather in August »

Weather in September

The first month of the autumn, September, is also a moderately hot month in Simla, Colorado, with temperature in the range of an average high of 76.8°F (24.9°C) and an average low of 55.8°F (13.2°C). The beginning of September subtly marks a decrease in the average high-temperature, transitioning from 84°F (28.9°C) in August to a still warm 76.8°F (24.9°C). Weather in September »

Weather in October

October, the same as September, is another comfortable autumn month in Simla, Colorado, with an average temperature fluctuating between 61.2°F (16.2°C) and 41.7°F (5.4°C). October's onset brings a noticeable temperature drop, falling from a warm 76.8°F (24.9°C) in September to an enjoyable 61.2°F (16.2°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cool month in Simla, Colorado, with an average temperature fluctuating between 32°F (0°C) and 50.5°F (10.3°C). With November's onset, the weather shows a temperature decrease, transitioning from a comfortable 61.2°F (16.2°C) in October to a fresh 50.5°F (10.3°C). Weather in November »

Weather in December

December, the first month of the winter in Simla, is also an icy month, with an average temperature varying between 22.3°F (-5.4°C) and 39°F (3.9°C). During the coldest month, December, temperatures average a high of 39°F (3.9°C) and a low of 22.3°F (-5.4°C). Weather in December »
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How much does it rain in Simla?

Throughout the year, there are 83.6 rainfall days, and 9.41" (239mm) of precipitation is accumulated.

When does it snow in Simla?

January through May, September through December are months with snowfall in Simla.

How many days does it snow in Simla?

In Simla, during the entire year, snow falls for 26.7 days and aggregates up to 9.02" (229mm) of snow.

What is the month with the lowest UV index in Simla?

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

What is the most humid month in Simla?

The most humid month in Simla is February, with an average relative humidity of 63%.

What is the snowiest month in Simla?

February is the month with the most snowfall in Simla, Colorado. Snow falls for 6.1 days and accumulates 1.93" (49mm) of snow.

What is the month with the least sunshine in Simla?

With an average of 6.6h of sunshine, February has the least sunshine of the year.

When is Daylight Saving Time (DST) in Simla?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Simla, Colorado, 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.

What is the rainiest month in Simla?

The month with the most rainfall in Simla is May, when the rain falls for 11.3 days and typically aggregates up to 1.77" (45mm) of precipitation.

What is the least humid month in Simla?

June and September, with an average relative humidity of 46%, are the least humid months in Simla.

When it does not snow in Simla?

June through August are months without snowfall.

When are the longest days in Simla?

June has the longest days of the year in Simla, with an average of 14h and 54min of daylight.

What is the month with the most sunshine in Simla?

June through August, with an average of 11.8h of sunshine, are months with the most sunshine.

When is the highest UV index in Simla?

June through August, with an average maximum UV index of 6, are months with the highest UV index in Simla, Colorado.

What month is the hottest in Simla?

July, noted for its average high-temperature of 86°F (30°C) and an average low-temperature of 64°F (17.8°C), is considered the warmest month in Simla, Colorado.

What time of the year is the coldest in Simla?

December, with an average high of 39°F (3.9°C) and a low of 22.3°F (-5.4°C), signifies the coldest month of the year in Simla.

What is the driest month in Simla?

December is the month with the least rainfall in Simla, Colorado. Rain falls for 2.5 days and accumulates 0.2" (5mm) of precipitation.

What is the month with the shortest days in Simla?

December has the shortest days of the year in Simla, Colorado, with an average of 9h and 30min of daylight.

Average pressure
Simla, CO

Average pressure - Simla, CO

The months with the highest atmospheric pressure are January and December (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

Average wind speed
Simla, CO

Average wind speed - Simla, CO

The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (9.3mph).

Average humidity
Simla, CO

Average humidity - Simla, CO

The month with the highest relative humidity is February (63%).
The months with the lowest relative humidity are June and September (46%).

Average rainfall
Simla, CO

Average rainfall - Simla, CO

The wettest month (with the highest rainfall) is May (1.77").
The driest month (with the least rainfall) is December (0.2").

Average rainfall days
Simla, CO

Average rainfall days - Simla, CO

The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is November (1.7 days).

Average snowfall
Simla, CO

Average snowfall - Simla, CO

The month with the highest snowfall is February (1.93").
The months with the least snowfall are June, July and August (0").

Average snowfall days
Simla, CO

Average snowfall days - Simla, CO

The month with the highest number of snowfall days is February (6.1 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight / Average sunshine
Simla, CO

Average daylight / Average sunshine - Simla, CO

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

The months with the most sunshine are June, July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).

Average sunshine days
Simla, CO

Average sunshine days - Simla, CO

The month with the most sunshine days is December (24.9 days).
The month with the least sunshine days is July (13.4 days).

Average UV index
Simla, CO

Average UV index - Simla, CO

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
Simla, CO

Average cloud cover - Simla, CO

The months with the most cloud cover are February and April (Cloud cover 27).
The months with the least cloud cover are June and September (Cloud cover 16).

Average visibility
Simla, CO

Average visibility - Simla, CO

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).

Simla, Colorado, USA

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