Weather on June 21

Nampa, ID

55 Years of Data

Avg High
85°F
Avg Low
52°F
Warmest
1988
80°F avg
Coldest
1989
58°F avg

About This Date

June 21st in Nampa, ID typically brings warm summer weather, with average highs around 85°F and lows near 52°F — a 33°F daily swing. Over 45 years of records, the warmest June 21st was in 1988 (80°F average), while the coldest was 1989 (58°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 9% of June 21st dates historically.

Planning for June 21st in Nampa, ID? Stay hydrated and seek shade during peak afternoon hours.

Cooling Trend
0.7°F per decade on this date
YearHighLowAvgPrecipSnow
201589°56°72°
201488°55°71°
201371°45°58°
201280°49°64°
201181°48°64°
201079°45°62°0.2"
200979°54°66°0.3"
200896°58°77°
200795°59°77°
200681°51°66°
200595°60°78°
200483°49°66°
200372°49°60°
200288°55°71°
200192°55°73°
200089°52°70°
199994°54°74°
199879°46°62°
199778°45°61°
199678°48°63°
199572°47°59°
199497°58°77°
199399°57°78°
199290°53°71°
199175°49°62°
199088°58°73°
1989coldest69°46°58°
1988warmest96°65°80°
198790°55°72°
198683°46°64°
198591°52°71°
198481°44°62°
198372°48°60°
198296°58°77°
198180°47°63°
198094°58°76°
197982°51°67°0.15"
197884°48°66°0.05"
197781°54°67°
197684°60°72°
197580°50°65°
197484°53°69°
1973100°56°78°
197286°54°70°
197199°56°77°
45 years of data from NAMPA SUGAR FACTORY

Browse Weather History

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