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Redmond, Oregon climate

BSk Cold semi-arid

Redmond 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 −5°C at night. Precipitation totals about 270 mm a year and is strongly seasonal — December alone averages 53 mm while September barely receives 8 mm. Light snow accumulates each winter (55 cm of snow per year on average).

☀️ Summers

Warm

Highs near 29°C in July.

About 15 days a year above 32 °C

❄️ Winters

Cold

Lows near −5°C in December.

About 163 freezing nights a year

🌧️ Rain & snow

Fairly dry

About 270 mm of rain a year, plus 55 cm of snow.

Snow falls through the winter months

⛅ Sky & trend

Partly cloudy

A roughly even mix of sun and cloud.

+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

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

Redmond climate normals (1991–2020)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°C)	6	8	11	14	19	23	29	29	24	17	10	5
Avg temp (°C)	1	2	4	7	11	14	19	19	15	9	4	0
Avg low (°C)	−4	−4	−2	−1	3	6	9	9	5	1	−2	−5
Precipitation (mm)	36	25	18	20	25	17	11	9	8	17	32	53
Snowfall (cm)	16	14	4	2	—	—	—	—	—	1	5	13

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Avg high (°C)	6	8	11	14	19	23
Avg temp (°C)	1	2	4	7	11	14
Avg low (°C)	−4	−4	−2	−1	3	6
Precipitation (mm)	36	25	18	20	25	17
Snowfall (cm)	16	14	4	2	—	—

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°C)	29	29	24	17	10	5
Avg temp (°C)	19	19	15	9	4	0
Avg low (°C)	9	9	5	1	−2	−5
Precipitation (mm)	11	9	8	17	32	53
Snowfall (cm)	—	—	—	1	5	13

How often — frequency of weather events

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	8	6	5	6	5	4	2	2	2	4	6	8
Days with high ≥ 32°C (days)	—	—	—	—	0.2	1	7	6	1	—	—	—
Days with low ≤ 0°C (days)	24	22	24	19	9	2	—	0.3	3	14	20	26
Days with snowfall ≥ 2.5 cm (days)	2	2	0.4	0.1	—	—	—	—	—	0.1	0.5	2

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Days with measurable rain (days)	8	6	5	6	5	4
Days with high ≥ 32°C (days)	—	—	—	—	0.2	1
Days with low ≤ 0°C (days)	24	22	24	19	9	2
Days with snowfall ≥ 2.5 cm (days)	2	2	0.4	0.1	—	—

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	2	2	2	4	6	8
Days with high ≥ 32°C (days)	7	6	1	—	—	—
Days with low ≤ 0°C (days)	—	0.3	3	14	20	26
Days with snowfall ≥ 2.5 cm (days)	—	—	—	0.1	0.5	2

Sky & atmosphere

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	71	70	70	68	64	51	30	30	39	55	69	72
Clear days (≤ 30% cloud)	3	4	3	4	6	9	19	19	15	9	3	3
Partly cloudy days (30–70%)	9	8	9	10	10	11	8	7	8	9	10	10
Cloudy days (≥ 70%)	19	17	19	17	15	10	4	4	7	13	17	19
Relative humidity (%)	86	82	77	72	68	65	59	57	59	69	80	86
Wind speed (m/s)	1.7	1.7	1.6	1.5	1.5	1.4	1.3	1.2	1.2	1.4	1.6	1.7

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Cloud cover (%)	71	70	70	68	64	51
Clear days (≤ 30% cloud)	3	4	3	4	6	9
Partly cloudy days (30–70%)	9	8	9	10	10	11
Cloudy days (≥ 70%)	19	17	19	17	15	10
Relative humidity (%)	86	82	77	72	68	65
Wind speed (m/s)	1.7	1.7	1.6	1.5	1.5	1.4

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	30	30	39	55	69	72
Clear days (≤ 30% cloud)	19	19	15	9	3	3
Partly cloudy days (30–70%)	8	7	8	9	10	10
Cloudy days (≥ 70%)	4	4	7	13	17	19
Relative humidity (%)	59	57	59	69	80	86
Wind speed (m/s)	1.3	1.2	1.2	1.4	1.6	1.7

Methodology & sources

Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at Bend (NOAA GHCN station USC00350694), about 26 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 →