Cayenne weather in June 2025

Expect daytime maximum temperatures of 86°F in Cayenne, French Guiana in June and very high heat and humidity based on long-term weather averages. There are 5 hours of sunshine per day on average with 23 days with some rainfall and typically 16.2 inches of rainfall in the month.

  • 86°F maximum daytime temperature in June in Cayenne86
    86°F max day temperature
  • 5 hours of sunshine per day
  • 23 days with some rainfall in June in Cayenne23
    23 days with some rainfall
  • 73°F minimum night-time temperature in June in Cayenne73
    73°F min night temperature
  • 12 hours of daylight per day in June in Cayenne12
    12 hours of daylight per day
  • Very high heat & humidity in June in CayenneVH
    Very High heat & humidity
  • 16.2 inches monthly rainfall in June in Cayenne16.2
    16.2 inches of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in June in Cayenne11
    11+ (Extreme) UV index
  • 82°F sea temperature in June in Cayenne82
    82°F sea temperature

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The June weather guide for French Guiana, represented by Cayenne, (Cayenne) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

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How hot is it in Cayenne in June?

Daytime temperatures usually reach 86°F in Cayenne in June with very high heat and humidity, falling to 73°F at night.

How sunny is it in Cayenne in June?

There are normally 5 hours of bright sunshine each day in Cayenne in June - that's 43% of daylight hours.

How warm is the sea around Cayenne in June?

The average sea temperature around Cayenne in June is 82°F.

Does it rain in Cayenne in June?

There are usually 23 days with some rain in Cayenne in June and the average monthly rainfall is 16.2 inches.

Cayenne June sunrise & sunset times

Browse the sunrise and sunset times for Cayenne in June 2025. Select a month to view Cayenne sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st June 2025 06:16 18:39
Sunday, 15th June 2025 06:18 18:42
Monday, 30th June 2025 06:21 18:45

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