Weather on August 17

Nampa, ID

55 Years of Data

Avg High
89°F
Avg Low
55°F
Warmest
2001
80°F avg
Coldest
1978
54°F avg

About This Date

August 17th in Nampa, ID typically brings warm summer weather, with average highs around 89°F and lows near 55°F — a 34°F daily swing. Over 44 years of records, the warmest August 17th was in 2001 (80°F average), while the coldest was 1978 (54°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 5% of August 17th dates historically.

Planning for August 17th in Nampa, ID? Stay hydrated and seek shade during peak afternoon hours.

Warming Trend
1.2°F per decade on this date
YearHighLowAvgPrecipSnow
201490°64°77°
201395°64°80°
201294°58°76°
201190°53°71°
201094°55°74°
200981°51°66°
200899°60°79°
200798°58°78°
200688°52°70°
200594°60°77°
200494°55°74°0.33"
200388°59°73°
200290°54°72°
2001warmest100°60°80°
200093°52°72°
199990°50°70°
199887°56°71°
199787°52°69°
199691°60°76°
199579°54°66°0.25"
199491°53°72°
199370°46°58°
199287°60°74°
199193°58°75°
199088°56°72°
198982°47°64°
198889°56°72°
198779°39°59°
198693°63°78°
198584°53°69°
198495°63°79°
198390°56°73°
198291°55°73°
198195°53°74°
198081°49°65°
197980°52°66°
1978coldest72°37°54°
197799°54°76°
197675°46°61°
197589°63°76°
197495°52°73°
197395°55°75°
197281°57°69°
197197°59°78°
44 years of data from NAMPA SUGAR FACTORY

Browse Weather History

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