Weather on August 20

Roseville, CA

55 Years of Data

Avg High
92°F
Avg Low
59°F
Warmest
1992
87°F avg
Coldest
1974
68°F avg

About This Date

August 20th in Roseville, CA typically brings hot summer weather, with average highs around 92°F and lows near 59°F — a 33°F daily swing. Over 53 years of records, the warmest August 20th was in 1992 (87°F average), while the coldest was 1974 (68°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 4% of August 20th dates historically. The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.

The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.

Planning for August 20th in Roseville, CA? Stay hydrated and seek shade during peak afternoon hours.

Warming Trend
1.1°F per decade on this date
YearHighLowAvgPrecipSnow
2025100°53°77°
202494°55°74°
202386°72°79°
2022105°59°82°
202187°59°73°
202094°64°79°
201992°61°76°
201897°56°76°
201795°64°80°
201697°65°81°
201591°60°76°
201484°61°72°
201397°72°84°
2012101°55°78°
201190°57°73°
201096°62°79°
200994°59°76°
200896°60°78°
200798°59°79°
200697°57°77°
200597°56°76°
2004101°66°83°
2003101°64°82°
200291°50°71°
200186°58°72°
200089°55°72°
199996°53°75°
199887°56°71°
199783°64°73°
199688°53°70°
1995102°64°83°
199496°54°75°
199384°58°71°
1992warmest106°69°87°
199191°54°72°
199085°59°72°
198991°57°74°
1988103°61°82°
198585°54°69°
198494°56°75°
198385°62°73°0.15"
198293°58°75°
198180°56°68°
198086°54°70°
197986°59°73°
197894°62°78°
197793°62°78°
197682°61°71°0.13"
197582°53°68°
1974coldest86°50°68°
197396°55°76°
197287°57°72°
197196°56°76°
53 years of data from ROCKLIN

Browse Weather History

Weather data provided by NOAA Climate Data Online. Not for critical planning.

August 20th Weather in Roseville, CA - 55 Years of History