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Coeur d'Alene, Idaho climate

Csb Warm-summer Mediterranean

Coeur d'Alene has a seasonal cool-temperate climate (Warm-summer Mediterranean, Köppen Csb). The hottest month is July with an average daily high near 28°C, while the coldest is January averaging around −3°C at night. Precipitation totals about 644 mm a year and is strongly seasonal — December alone averages 88 mm while July barely receives 19 mm.

☀️ Summers

Warm

Highs near 28°C in July.

About 17 days a year above 32 °C

❄️ Winters

Cold

Lows near −3°C in January.

About 105 freezing nights a year

🌧️ Rain

Moderate rainfall

About 644 mm of rain a year.

Wettest in December

⛅ Sky & trend

Often cloudy

Cloudy skies much of the year.

+0.2 °C vs 50 years ago

Temperature & precipitation

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

Clear vs cloudy days

Share of days each month that are clear, partly cloudy or cloudy · 1991–2020 · hover a month for the day counts

Coeur d'Alene climate normals (1991–2020)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°C)	2	5	9	13	19	22	28	28	23	15	7	2
Avg temp (°C)	0	1	4	8	13	16	21	21	16	9	3	0
Avg low (°C)	−3	−3	−1	3	7	11	14	13	9	4	0	−3
Precipitation (mm)	82	54	68	49	54	55	19	20	21	51	85	88

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Avg high (°C)	2	5	9	13	19	22
Avg temp (°C)	0	1	4	8	13	16
Avg low (°C)	−3	−3	−1	3	7	11
Precipitation (mm)	82	54	68	49	54	55

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°C)	28	28	23	15	7	2
Avg temp (°C)	21	21	16	9	3	0
Avg low (°C)	14	13	9	4	0	−3
Precipitation (mm)	19	20	21	51	85	88

How often — frequency of weather events

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	13	10	10	10	11	8	4	3	6	10	13	13
Days with high ≥ 32°C (days)	—	—	—	—	0.1	0.8	7	7	1	—	—	—
Days with low ≤ 0°C (days)	22	20	14	6	0.8	—	—	—	0.1	5	14	24
Days with snowfall ≥ 2.5 cm (days)	3	2	0.8	0.0	—	—	—	—	—	0.1	0.8	3

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Days with measurable rain (days)	13	10	10	10	11	8
Days with high ≥ 32°C (days)	—	—	—	—	0.1	0.8
Days with low ≤ 0°C (days)	22	20	14	6	0.8	—
Days with snowfall ≥ 2.5 cm (days)	3	2	0.8	0.0	—	—

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	4	3	6	10	13	13
Days with high ≥ 32°C (days)	7	7	1	—	—	—
Days with low ≤ 0°C (days)	—	—	0.1	5	14	24
Days with snowfall ≥ 2.5 cm (days)	—	—	—	0.1	0.8	3

Sky & atmosphere

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	75	70	71	69	64	60	38	40	48	62	74	75
Clear days (≤ 30% cloud)	2	4	3	3	6	6	15	14	12	6	3	2
Partly cloudy days (30–70%)	8	7	8	10	9	11	10	11	8	9	7	8
Cloudy days (≥ 70%)	21	17	19	17	16	13	6	6	10	16	20	21
Relative humidity (%)	95	90	83	74	69	67	55	49	54	69	86	93
Wind speed (km/h)	3.5	3.8	4.1	4.1	3.9	3.9	3.7	3.7	3.7	3.7	3.7	3.6

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Cloud cover (%)	75	70	71	69	64	60
Clear days (≤ 30% cloud)	2	4	3	3	6	6
Partly cloudy days (30–70%)	8	7	8	10	9	11
Cloudy days (≥ 70%)	21	17	19	17	16	13
Relative humidity (%)	95	90	83	74	69	67
Wind speed (km/h)	3.5	3.8	4.1	4.1	3.9	3.9

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	38	40	48	62	74	75
Clear days (≤ 30% cloud)	15	14	12	6	3	2
Partly cloudy days (30–70%)	10	11	8	9	7	8
Cloudy days (≥ 70%)	6	6	10	16	20	21
Relative humidity (%)	55	49	54	69	86	93
Wind speed (km/h)	3.7	3.7	3.7	3.7	3.7	3.6

Methodology & sources

Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Coeur D'alene (NOAA GHCN station USC00101956), about 1 km from the city centre.

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 →