Hawaii (Honolulu) Climate: Sunshine Hours, Temperature & Best Time to Visit

Hawaii (Honolulu) climate month by month: sunshine hours, temperature, rain and day length from weather station data 1991–2020. Best time to visit: April, May, June, July, August. Sunniest month: July.

  • 3,112 hours of sunshine a year – 1.9 times as much as London. Warmest is August at 32 °C by day.
  • Best time to visit: April, May, June, July, August

Sunshine and temperature in Hawaii (Honolulu) month by month

  • January: 7.2 h Sun/day (222 h), Daytime high 27 °C, Night 19 °C, Rain 47 mm, Holiday score 80
  • February: 7.4 h Sun/day (209 h), Daytime high 27 °C, Night 20 °C, Rain 49 mm, Holiday score 80
  • March: 7.6 h Sun/day (236 h), Daytime high 27 °C, Night 20 °C, Rain 60 mm, Holiday score 80
  • April: 8.8 h Sun/day (263 h), Daytime high 28 °C, Night 21 °C, Rain 20 mm, Holiday score 89
  • May: 9.6 h Sun/day (299 h), Daytime high 29 °C, Night 22 °C, Rain 21 mm, Holiday score 92
  • June: 10.4 h Sun/day (311 h), Daytime high 31 °C, Night 23 °C, Rain 13 mm, Holiday score 94
  • July: 10.3 h Sun/day (318 h), Daytime high 31 °C, Night 24 °C, Rain 13 mm, Holiday score 91
  • August: 9.6 h Sun/day (299 h), Daytime high 32 °C, Night 24 °C, Rain 21 mm, Holiday score 86
  • September: 9.2 h Sun/day (276 h), Daytime high 31 °C, Night 24 °C, Rain 22 mm, Holiday score 85
  • October: 8.0 h Sun/day (249 h), Daytime high 31 °C, Night 23 °C, Rain 38 mm, Holiday score 82
  • November: 7.2 h Sun/day (217 h), Daytime high 29 °C, Night 22 °C, Rain 57 mm, Holiday score 79
  • December: 6.9 h Sun/day (213 h), Daytime high 28 °C, Night 21 °C, Rain 55 mm, Holiday score 78
  • Temperature: station Honolulu/Hawaii (6 km) · Sunshine: estimated from NASA satellite data (±15 %) · Rain: station Honolulu/Hawaii (6 km). Averages 1991–2020, source: Deutscher Wetterdienst (CLIMAT station data, CC BY 4.0) and NASA POWER; single years differ.

Questions

  • When is the best time to visit Hawaii (Honolulu)? By sunshine, warmth and rain the best months are April, May, June, July, August. Sunniest is July with 318 hours of sunshine, warmest August at 32 °C.
  • How many hours of sunshine does Hawaii (Honolulu) get a year? About 3,112 hours – 1.9 times as many as London (1,675 hours).
  • When does it rain most in Hawaii (Honolulu)? In March, with 60 mm on average. The driest month is June.
  • How warm is Hawaii (Honolulu) in January and July? In January the average daytime high is 27 °C, in July 31 °C.