Monthly climate in Story, Wyoming, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Story features a cold semi-arid climate (BSk).Temperatures typically range between -9 °C (17 °F) and 16 °C (62 °F) through the year, but rarely can drop to -30 °C (-21 °F) or can rise to as high as 32 °C (89 °F).The average annual precipitation amounts to about 1170 mm (46.1 inches) and receives 186 rainy days on the 1 mm (0.04 inches) threshold annually.Story enjoys an average of 3301 hours of sunshine throughout the year, and daylight varies from 8 hours 51 minutes to 15 hours 29 minutes per day.

Monthly average temperatures in Story, Wyoming, United States §

The warmest months in Story are June, July and August, with daily mean temperatures ranging from 12 to 16 °C (54 - 62 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -9 to -6 °C (17 - 22 °F) throughout the day. On average each year, Story experiences 12 days above 25 °C (77.0 °F) and 202 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Story, Wyoming, 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 9°C
(48°F)
11°C
(53°F)
15°C
(59°F)
17°C
(64°F)
24°C
(75°F)
31°C
(89°F)
32°C
(89°F)
30°C
(86°F)
30°C
(86°F)
22°C
(72°F)
16°C
(62°F)
14°C
(57°F)
Mean maximum 7°C
(44°F)
7°C
(46°F)
11°C
(53°F)
16°C
(61°F)
20°C
(68°F)
23°C
(74°F)
28°C
(83°F)
27°C
(81°F)
26°C
(80°F)
19°C
(67°F)
12°C
(54°F)
10°C
(50°F)
Average high -1°C
(30°F)
-4°C
(26°F)
2°C
(37°F)
5°C
(41°F)
10°C
(51°F)
18°C
(66°F)
23°C
(73°F)
21°C
(71°F)
17°C
(63°F)
7°C
(46°F)
3°C
(37°F)
-1°C
(31°F)
Daily mean -6°C
(21°F)
-9°C
(17°F)
-2°C
(28°F)
-0°C
(32°F)
5°C
(42°F)
12°C
(54°F)
16°C
(62°F)
15°C
(59°F)
11°C
(51°F)
2°C
(35°F)
-2°C
(28°F)
-6°C
(22°F)
Average low -10°C
(13°F)
-13°C
(9°F)
-7°C
(20°F)
-5°C
(23°F)
-0°C
(32°F)
6°C
(43°F)
10°C
(50°F)
8°C
(47°F)
4°C
(40°F)
-4°C
(26°F)
-7°C
(19°F)
-10°C
(14°F)
Mean minimum -22°C
(-8°F)
-25°C
(-12°F)
-18°C
(0°F)
-14°C
(6°F)
-7°C
(20°F)
-1°C
(31°F)
4°C
(39°F)
3°C
(37°F)
-4°C
(24°F)
-16°C
(4°F)
-19°C
(-1°F)
-20°C
(-3°F)
Minimum -25°C
(-13°F)
-30°C
(-21°F)
-25°C
(-13°F)
-19°C
(-2°F)
-9°C
(16°F)
-4°C
(25°F)
0°C
(32°F)
2°C
(36°F)
-12°C
(11°F)
-26°C
(-14°F)
-25°C
(-13°F)
-23°C
(-8°F)

Compare climate in Story with other places

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

Monthly average precipitation in Story, Wyoming, United States §

Story usually has the most precipitation in May, June and July, with an average of 21 rainy days and 152 mm (6.0 inches) of precipitation per month.The driest months in Story are January, November and December. On average, 46 mm (1.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Story, Wyoming, 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) 36 (1.4) 64 (2.5) 89 (3.5) 122 (4.8) 159 (6.3) 154 (6.1) 143 (5.6) 112 (4.4) 88 (3.4) 101 (4.0) 59 (2.3) 43 (1.7)
Average precipitation days (≥ 1 mm) 8 12 14 17 23 19 23 21 12 14 12 11

Monthly sunshine hours in Story, Wyoming, United States §

The sunniest months in Story are June, July and August, when the sun shines an average of 12 hours 4 minutes a day.Least sunny months in Story: January, February and December receive an average of 6 hours 22 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Story, Wyoming, 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 166 200 269 274 310 373 388 349 292 244 217 213
Mean daily daylight hours 9h 15m 10h 27m 11h 57m 13h 30m 14h 49m 15h 29m 15h 7m 13h 56m 12h 27m 10h 55m 9h 33m 8h 51m

Solar UV radiation in Story, Wyoming, United States §

Story experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 11 - 12, which corresponds to the Extreme category of sun exposure.January, November and December are in the Low / Moderate exposure category. In these months, the maximum values of the UV index do not exceed 4. For more detailed information, check out our hourly Story UV Index data.

Average daily maximum UV levels by month for Story, Wyoming, 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) 3 5 7 10 11 12 11 10 9 6 4 2