Weather and climate in Sparks, NV

Local time 4:09 am PST 39.53° N, 119.75° W
Best for stargazingSep, Oct, NovMost clear, dark hours
Warmest monthJulyAverage high 87°F
Coolest monthDecemberAverage low 22°F
Wettest monthDecember4.0 in on average

What the weather is like in Sparks

The warmest month in Sparks is July, with average highs of 87°F. The coolest is December, when nights average 22°F. About 21.0 in of rain and snow falls in a typical year, most in December and least in August.

Skies are clearest in August (21% average cloud cover) and cloudiest in December (62%). Combining cloud with the length of truly dark nights, September, October, November offer the most clear, dark hours for stargazing.

Clear, dark hours per night

Hours of full astronomical darkness in mid-month, multiplied by the average share of clear sky. A rough guide to how much good observing time a typical night offers.

Monthly averages

MonthHighLowPrecipitationCloud coverHumidityWindDark hours
January 38°F 22°F 2.9 in 59% 76% 3 mph 11.1 h
February 41°F 23°F 3.2 in 58% 73% 3 mph 10.2 h
March 47°F 27°F 3.0 in 55% 71% 4 mph 9.0 h
April 54°F 31°F 1.7 in 49% 65% 4 mph 7.5 h
May 64°F 39°F 1.2 in 43% 57% 4 mph 6.0 h
June 76°F 47°F 0.4 in 27% 44% 4 mph 5.0 h
July 87°F 56°F 0.3 in 23% 32% 3 mph 5.5 h
August 85°F 54°F 0.2 in 21% 29% 3 mph 7.0 h
September 76°F 48°F 0.3 in 22% 34% 3 mph 8.5 h
October 62°F 37°F 1.3 in 33% 47% 3 mph 9.9 h
November 48°F 28°F 2.3 in 49% 63% 3 mph 10.9 h
December 37°F 22°F 4.0 in 62% 77% 3 mph 11.4 h

Climate nearby

Climate averages: NASA POWER, 2001–2025, for the grid area around 39.50, -120.00 (about 50 km across). High and low temperatures are estimated from the monthly mean and the average daily range. Hills, coasts and cities can differ from the area average. Aurora outlook for Sparks · Sources and methods.