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Monthly climate in Simla, Colorado, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Simla features a cold semi-arid climate (BSk). Temperatures typically range between -1 °C (31 °F) and 23 °C (73 °F) through the year, but rarely can drop to -25 °C (-13 °F) or can rise to as high as 36 °C (98 °F). The average annual precipitation amounts to about 447 mm (17.6 inches) and receives 84 rainy days on the 1 mm (0.04 inches) threshold annually. Simla enjoys an average of 3503 hours of sunshine throughout the year, and daylight varies from 9 hours 27 minutes to 14 hours 51 minutes per day.

Monthly average temperatures in Simla, Colorado, United States §

The warmest months in Simla are June, July and August, with daily mean temperatures ranging from 21 to 23 °C (70 - 73 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -1 to 2 °C (31 - 35 °F) throughout the day. On average each year, Simla experiences 97 days above 25 °C (77.0 °F) and 124 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Simla, Colorado, United States. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 21°C
(69°F)		 24°C
(75°F)		 26°C
(80°F)		 31°C
(87°F)		 33°C
(91°F)		 36°C
(97°F)		 36°C
(98°F)		 35°C
(95°F)		 35°C
(96°F)		 29°C
(85°F)		 25°C
(78°F)		 22°C
(72°F)
Mean maximum 17°C
(63°F)		 19°C
(67°F)		 23°C
(74°F)		 26°C
(80°F)		 29°C
(85°F)		 32°C
(90°F)		 35°C
(95°F)		 34°C
(93°F)		 34°C
(94°F)		 28°C
(82°F)		 23°C
(74°F)		 19°C
(66°F)
Average high 7°C
(45°F)		 6°C
(43°F)		 12°C
(54°F)		 16°C
(61°F)		 20°C
(69°F)		 28°C
(82°F)		 30°C
(86°F)		 29°C
(85°F)		 26°C
(80°F)		 17°C
(63°F)		 13°C
(55°F)		 8°C
(48°F)
Daily mean 0°C
(32°F)		 -1°C
(31°F)		 5°C
(41°F)		 9°C
(48°F)		 14°C
(57°F)		 21°C
(70°F)		 23°C
(73°F)		 22°C
(72°F)		 19°C
(67°F)		 10°C
(50°F)		 5°C
(42°F)		 2°C
(35°F)
Average low -5°C
(23°F)		 -6°C
(21°F)		 -2°C
(29°F)		 2°C
(35°F)		 7°C
(45°F)		 14°C
(57°F)		 16°C
(62°F)		 16°C
(60°F)		 12°C
(54°F)		 3°C
(38°F)		 -1°C
(31°F)		 -4°C
(25°F)
Mean minimum -16°C
(3°F)		 -19°C
(-2°F)		 -12°C
(11°F)		 -8°C
(18°F)		 -1°C
(31°F)		 7°C
(44°F)		 12°C
(54°F)		 12°C
(54°F)		 3°C
(38°F)		 -10°C
(14°F)		 -9°C
(15°F)		 -12°C
(11°F)
Minimum -19°C
(-3°F)		 -25°C
(-13°F)		 -21°C
(-5°F)		 -14°C
(8°F)		 -3°C
(26°F)		 3°C
(37°F)		 11°C
(51°F)		 9°C
(48°F)		 -2°C
(29°F)		 -16°C
(3°F)		 -19°C
(-1°F)		 -13°C
(8°F)

Compare climate in Simla with other places

Compare temperature, precipitation, sunshine, UV index in Simla, Colorado, United States with other places around the world.

Monthly average precipitation in Simla, Colorado, United States §

Simla usually has the most precipitation in March, May and July, with an average of 11 rainy days and 66 mm (2.6 inches) of precipitation per month. The driest months in Simla are January, November and December. On average, 13 mm (0.5 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Simla, Colorado, United States. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 15 (0.6) 17 (0.7) 58 (2.3) 42 (1.6) 82 (3.2) 49 (1.9) 59 (2.3) 47 (1.8) 26 (1.0) 30 (1.2) 15 (0.6) 8 (0.3)
Average precipitation days (≥ 1 mm) 3 5 6 8 13 9 14 9 6 5 4 2

Monthly sunshine hours in Simla, Colorado, United States §

The sunniest months in Simla are June, July and August, when the sun shines an average of 11 hours 46 minutes a day. Least sunny months in Simla: January, February and December receive an average of 7 hours 24 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Simla, Colorado, United States. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 190 238 289 308 327 363 370 348 303 267 249 244
Mean daily daylight hours 9h 45m 10h 44m 11h 58m 13h 15m 14h 19m 14h 51m 14h 34m 13h 36m 12h 23m 11h 7m 10h 0m 9h 27m

Solar UV radiation in Simla, Colorado, United States §

Simla experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 12 - 12, which corresponds to the Extreme category of sun exposure. January, February and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Simla UV Index data.

Average daily maximum UV levels by month for Simla, Colorado, United States. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 4 5 8 10 12 12 12 11 10 7 5 3

Detailed Monthly Weather Insights for Simla, Colorado, United States

Discover in-depth weather details for every month in Simla. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Simla's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.