Monthly climate in Ellicott, Colorado, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Ellicott features a cold semi-arid climate (BSk). Temperatures typically range between -1 °C (30 °F) and 23 °C (74 °F) through the year, but rarely can drop to -28 °C (-17 °F) or can rise to as high as 38 °C (101 °F). The average annual precipitation amounts to about 365 mm (14.4 inches) and receives 75 rainy days on the 1 mm (0.04 inches) threshold annually. Ellicott enjoys an average of 3526 hours of sunshine throughout the year, and daylight varies from 9 hours 28 minutes to 14 hours 49 minutes per day.

Monthly average temperatures in Ellicott, Colorado, United States §

The warmest months in Ellicott are June, July and August, with daily mean temperatures ranging from 21 to 23 °C (70 - 74 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -1 to 1 °C (30 - 33 °F) throughout the day. On average each year, Ellicott experiences 97 days above 25 °C (77.0 °F) and 133 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Ellicott, 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 18°C
(64°F)
22°C
(71°F)
26°C
(79°F)
30°C
(87°F)
33°C
(91°F)
38°C
(101°F)
37°C
(99°F)
36°C
(97°F)
36°C
(96°F)
29°C
(85°F)
24°C
(75°F)
21°C
(69°F)
Mean maximum 15°C
(59°F)
18°C
(65°F)
22°C
(73°F)
26°C
(79°F)
30°C
(86°F)
33°C
(91°F)
36°C
(97°F)
34°C
(93°F)
35°C
(94°F)
28°C
(82°F)
21°C
(70°F)
16°C
(62°F)
Average high 6°C
(44°F)
6°C
(43°F)
12°C
(54°F)
16°C
(62°F)
21°C
(70°F)
28°C
(83°F)
30°C
(87°F)
29°C
(85°F)
27°C
(80°F)
17°C
(63°F)
12°C
(54°F)
8°C
(46°F)
Daily mean -1°C
(31°F)
-1°C
(30°F)
5°C
(41°F)
9°C
(48°F)
14°C
(57°F)
21°C
(70°F)
23°C
(74°F)
22°C
(72°F)
19°C
(66°F)
10°C
(49°F)
4°C
(40°F)
1°C
(33°F)
Average low -6°C
(21°F)
-7°C
(20°F)
-2°C
(29°F)
1°C
(35°F)
7°C
(45°F)
13°C
(55°F)
16°C
(61°F)
15°C
(59°F)
12°C
(53°F)
3°C
(37°F)
-2°C
(29°F)
-5°C
(23°F)
Mean minimum -16°C
(3°F)
-19°C
(-2°F)
-11°C
(12°F)
-7°C
(20°F)
0°C
(32°F)
7°C
(44°F)
12°C
(54°F)
11°C
(53°F)
4°C
(39°F)
-10°C
(15°F)
-10°C
(14°F)
-13°C
(9°F)
Minimum -18°C
(-0°F)
-28°C
(-17°F)
-16°C
(4°F)
-9°C
(16°F)
-3°C
(27°F)
4°C
(39°F)
11°C
(53°F)
8°C
(48°F)
-1°C
(31°F)
-17°C
(2°F)
-18°C
(-0°F)
-15°C
(5°F)

Compare climate in Ellicott with other places

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

Monthly average precipitation in Ellicott, Colorado, United States §

Ellicott usually has the most precipitation in March, May and July, with an average of 9 rainy days and 55 mm (2.2 inches) of precipitation per month. The driest months in Ellicott are January, November and December. On average, 11 mm (0.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Ellicott, 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) 12 (0.5) 16 (0.6) 42 (1.6) 33 (1.3) 59 (2.3) 30 (1.2) 63 (2.5) 39 (1.5) 22 (0.9) 28 (1.1) 13 (0.5) 8 (0.3)
Average precipitation days (≥ 1 mm) 3 5 6 9 10 7 13 8 4 5 3 2

Monthly sunshine hours in Ellicott, Colorado, United States §

The sunniest months in Ellicott are June, July and August, when the sun shines an average of 11 hours 44 minutes a day. Least sunny months in Ellicott: January, February and December receive an average of 7 hours 30 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Ellicott, 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 194 241 294 313 332 360 368 350 303 269 250 246
Mean daily daylight hours 9h 47m 10h 45m 11h 58m 13h 14m 14h 18m 14h 49m 14h 32m 13h 35m 12h 22m 11h 7m 10h 2m 9h 28m

Solar UV radiation in Ellicott, Colorado, United States §

Ellicott 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, November 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 Ellicott UV Index data.

Average daily maximum UV levels by month for Ellicott, 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 6 8 11 12 12 12 11 10 7 5 3

Detailed Monthly Weather Insights for Ellicott, Colorado, United States

Discover in-depth weather details for every month in Ellicott. 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 Ellicott'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.