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Boise, Idaho Climate & Temperature

⛺ Boise, Idaho has a mid-latitude steppe/ semi-arid cool climate (Köppen-Geiger classification: BSk).mid-latitude cool steppe climate (BSk)

⛳ Boise, Idaho is situated in or near the cool temperate steppe biome.

🌡️ The mean temperature is 10.5 degrees Celsius (50.9 degrees Fahrenheit). See the temperatures page for a monthly breakdown and the fixed scale graph.

🐬 Average monthly temperatures vary by 25 °C (45°F). This indicates that the continentality type is continental, subtype subcontinental.

☔ Total annual precipitation averages 307.5 mm (12.1 inches) which is equivalent to 307.5 Litres/m² (7.54 Gallons/ft²).

Boise, Idaho Climate Graph

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✨ The longest day of the year is 15:14 long on the 22 of June and the shortest day is 8:45 long on the 21 of December.

🌞 On average there are 3081 hours of sunshine per year. Visit the sunshine and daylight section to check monthly details including how high in the sky the sun reaches each month.

🐇Were you to burrow down through the centre of the Earth from Boise, Idaho you would pop up nearest to the climate station at Port-Aux-Francais, kerguelen islands, French Southern Lands where you would find a Tundra climate (Boreal rain forest biome).

🌍Boise, Idaho, Usa is at 43°34'N, 116°12'W, 873 m (2865 ft). Check the location on the map.

Boise, Idaho Climate Table

Average Max Temperature °C ( °F)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
2 (36) 7 (44) 12 (53) 16 (61) 22 (71) 27 (81) 32 (90) 31 (88) 25 (77) 18 (65) 9 (49) 3 (38) 17 (63)
Average Temperature °C ( °F)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
-2 (29) 2 (36) 6 (42) 10 (49) 14 (58) 19 (67) 23 (74) 23 (73) 17 (63) 11 (52) 4 (40) -1 (30) 11 (51)
Average Min Temperature °C ( °F)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
-6 (22) -3 (28) 0 (32) 3 (37) 7 (44) 11 (52) 14 (58) 14 (57) 9 (48) 4 (39) -1 (31) -5 (22) 4 (39)
Average Precipitation mm (in)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
37 (1) 27 (1) 33 (1) 32 (1) 27 (1) 21 (1) 9 (0) 11 (0) 20 (1) 19 (1) 38 (1) 35 (1) 308 (12)
Number of Wet Days (probability of rain on a day %)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
12 (39) 11 (39) 10 (32) 8 (27) 8 (26) 6 (20) 2 (6) 2 (6) 3 (10) 6 (19) 9 (30) 11 (35) 88 (24)
Average Sunlight Hours/ Day
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
3h 15' 5h 20' 7h 00' 9h 06' 10h 30' 12h 06' 13h 40' 12h 15' 10h 40' 8h 00' 5h 18' 3h 50' 8h 26'
Average Daylight Hours/ Day
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
9h 20' 10h 25' 11h 51' 13h 23' 14h 41' 15h 21' 15h 03' 13h 55' 12h 27' 10h 55' 9h 37' 8h 59' 12h 00'
Percentage of Sunny (Cloudy) Daylight Hours
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
36 (64) 52 (48) 60 (40) 69 (31) 72 (28) 80 (20) 92 (8) 89 (11) 87 (13) 74 (26) 56 (44) 44 (56) 70 (30)
Sun altitude at solar noon on the 21st day (°).
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
26.6 36 46.9 58.5 66.7 69.9 66.8 58.4 46.9 35.5 26.4 23 46.7


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