Weather on June 21

Honolulu, HI

55 Years of Data

Avg High
84°F
Avg Low
70°F
Warmest
2004
81°F avg
Coldest
2016
71°F avg

About This Date

June 21st in Honolulu, HI typically brings warm summer weather, with average highs around 84°F and lows near 70°F. Over 51 years of records, the warmest June 21st was in 2004 (81°F average), while the coldest was 2016 (71°F) — a 10°F range across recorded history. Rain or other precipitation has occurred on about 18% of June 21st dates historically. The last decade has been 4.3°F cooler on this date compared to 20-30 years ago.

The last decade has been 4.3°F cooler on this date compared to 20-30 years ago.

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

Cooling Trend
0.8°F per decade on this date
YearHighLowAvgPrecipSnow
202584°71°78°
202481°68°74°
202379°66°72°
202280°66°73°
202175°67°71°
202075°66°71°
201980°68°74°
201882°68°75°
201784°67°75°
2016coldest76°67°71°
201487°68°78°0.1"
201381°66°73°
201284°69°77°
201086°71°79°
200989°74°81°
200886°70°78°
200788°69°78°
200683°66°74°
200585°71°78°
2004warmest89°73°81°0.03"
200388°72°80°
200285°71°78°
200185°70°77°
200085°67°76°
199986°69°78°
199884°68°76°
199783°68°75°0.05"
199687°70°78°
199585°73°79°
199486°70°78°
199387°72°79°
199286°70°78°
199186°70°78°
199083°72°77°
198985°68°76°
198885°68°76°
198784°69°77°
198688°72°80°
198588°71°79°
198488°71°79°
198386°70°78°
198284°70°77°
198189°64°77°
197881°69°75°0.28"
197784°74°79°
197683°71°77°0.25"
197590°70°80°0.38"
197483°73°78°0.08"
197387°71°79°
197280°67°73°0.08"
197185°75°80°0.13"
51 years of data from FRENCH FRIGATE SHOALS

Browse Weather History

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