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Cody, Wyoming climate

BSk Cold semi-arid

Cody has a seasonal cool-temperate climate (Cold semi-arid, Köppen BSk). The hottest month is July with an average daily high near 29°C, while the coldest is December averaging around −8°C at night. Precipitation totals about 290 mm a year and is strongly seasonal — May alone averages 54 mm while January barely receives 10 mm. Winters bring significant snowfall (111 cm of snow per year on average).

☀️ Summers

Warm

Highs near 29°C in July.

About 16 days a year above 32 °C

❄️ Winters

Very cold

Lows near −8°C in December.

About 151 freezing nights a year

🌧️ Rain & snow

Fairly dry

About 290 mm of rain a year, plus 111 cm of snow.

Snow falls through the winter months

⛅ Sky & trend

Often cloudy

Cloudy skies much of the year.

+0.6 °C vs 50 years ago

Temperature & precipitation

Daily high–low temperature range with the monthly average, plus monthly precipitation split into rain and snow · 1991–2020 normals · hover a month for the exact figures

Hours of sunshine per day

Estimated sunny hours each month — daylight length × clear-sky fraction · 1991–2020 monthly cloud cover (NASA POWER)

Cody climate normals (1991–2020)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°C)	3	4	10	13	18	24	29	28	23	15	8	3
Avg temp (°C)	−2	−2	3	7	12	17	22	21	16	8	2	−2
Avg low (°C)	−8	−8	−3	1	5	10	14	13	8	2	−4	−8
Precipitation (mm)	10	12	14	33	54	41	23	23	29	26	14	12
Snowfall (cm)	17	19	13	14	2	0	—	—	1	9	17	19

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Avg high (°C)	3	4	10	13	18	24
Avg temp (°C)	−2	−2	3	7	12	17
Avg low (°C)	−8	−8	−3	1	5	10
Precipitation (mm)	10	12	14	33	54	41
Snowfall (cm)	17	19	13	14	2	0

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°C)	29	28	23	15	8	3
Avg temp (°C)	22	21	16	8	2	−2
Avg low (°C)	14	13	8	2	−4	−8
Precipitation (mm)	23	23	29	26	14	12
Snowfall (cm)	—	—	1	9	17	19

How often — frequency of weather events

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	3	4	5	8	10	9	7	7	6	6	4	4
Days with high ≥ 32°C (days)	—	—	—	—	—	2	9	5	0.7	—	—	—
Days with low ≤ 0°C (days)	26	24	22	15	4	0.1	—	—	1	11	22	27
Days with snowfall ≥ 2.5 cm (days)	2	3	2	2	0.2	0.0	—	—	0.2	1	2	3

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Days with measurable rain (days)	3	4	5	8	10	9
Days with high ≥ 32°C (days)	—	—	—	—	—	2
Days with low ≤ 0°C (days)	26	24	22	15	4	0.1
Days with snowfall ≥ 2.5 cm (days)	2	3	2	2	0.2	0.0

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	7	7	6	6	4	4
Days with high ≥ 32°C (days)	9	5	0.7	—	—	—
Days with low ≤ 0°C (days)	—	—	1	11	22	27
Days with snowfall ≥ 2.5 cm (days)	—	—	0.2	1	2	3

Sky & atmosphere

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	69	72	74	74	74	62	49	51	51	63	68	70
Relative humidity (%)	82	80	76	71	65	59	50	48	52	63	73	81
Wind speed (mph)	5.8	5.2	4.7	4.0	3.2	2.9	2.5	2.4	2.6	3.2	4.4	5.4

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Cloud cover (%)	69	72	74	74	74	62
Relative humidity (%)	82	80	76	71	65	59
Wind speed (mph)	5.8	5.2	4.7	4.0	3.2	2.9

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	49	51	51	63	68	70
Relative humidity (%)	50	48	52	63	73	81
Wind speed (mph)	2.5	2.4	2.6	3.2	4.4	5.4

Methodology & sources

Temperature & precipitation — 1991–2020 normals computed from 30 years of daily observations at Cody, a weather station, about 5 km from the city centre. The underlying daily records come from NOAA's global station network.

Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.

How we build these numbers →