Key West weather in April 2018

Expect 28°C daytime maximum temperatures in the shade with on average 11 hours of sunshine per day in Key West in April. Check more long-term weather averages for Key West in April before you book your next holiday to Florida in 2018.

Key weather averages for Key West in April

  • 28°C maximum daytime temperature in April in Key West28
    28°C max day temperature
  • 11 hours of sunshine per day (83% of daylight hours) in April in Key West11
    11 hours of sunshine per day
  • 4 days with some rainfall in April in Key West4
    4 days with some rainfall
  • 21°C minimum night-time temperature in April in Key West21
    21°C min night temperature
  • 13 hours of daylight per day in April in Key West13
    13 hours of daylight per day
  • Moderate heat & humidity in April in Key WestM
    Moderate heat & humidity
  • 46 mm monthly rainfall in April in Key West46
    46 mm of monthly rainfall
  • UV (maximum) index 11 (Extreme) in April in Key West11
    11 (Extreme) UV index
  • 25°C sea temperature in April in Key West25
    25°C sea temperature

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec All months

Metric (°C / mm)  |  Imperial (°F / inches)

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Expires at 23:59 on Wednesday 18th October 2017

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Guide to Key West weather in April

The average maximum daytime temperature in Key West in April is a warm 28°C (82°F) with moderate heat & humidity. The average night-time temperature is usually a comfortable 21°C (70°F). There are usually 11 hours of bright sunshine each day, which represents 83% of the 13 hours of daylight.

Expect 46mm (1.8 inches) of rainfall across the whole of April with 4 days with some rain falling. Maximum UV levels will be extreme (11 UV index) at midday when the skies are clear.

The average sea temperature in and around Key West in April is 25°C (77°F).

The weather in Key West in April is represented by Key West.

Key West sunrise & sunset times for April 2018

Browse the sunrise & sunset times for Key West in April 2018. Select a month to view Key West sunrise & sunset times for the next twelve months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st April 2018 07:19 19:43
Monday, 2nd April 2018 07:18 19:44
Tuesday, 3rd April 2018 07:17 19:44
Wednesday, 4th April 2018 07:16 19:45
Thursday, 5th April 2018 07:15 19:45
Friday, 6th April 2018 07:14 19:45
Saturday, 7th April 2018 07:13 19:46
Sunday, 8th April 2018 07:12 19:46
Monday, 9th April 2018 07:11 19:47
Tuesday, 10th April 2018 07:10 19:47
Wednesday, 11th April 2018 07:09 19:48
Thursday, 12th April 2018 07:08 19:48
Friday, 13th April 2018 07:07 19:48
Saturday, 14th April 2018 07:06 19:49
Sunday, 15th April 2018 07:05 19:49
Monday, 16th April 2018 07:04 19:50
Tuesday, 17th April 2018 07:03 19:50
Wednesday, 18th April 2018 07:03 19:51
Thursday, 19th April 2018 07:02 19:51
Friday, 20th April 2018 07:01 19:52
Saturday, 21st April 2018 07:00 19:52
Sunday, 22nd April 2018 06:59 19:52
Monday, 23rd April 2018 06:58 19:53
Tuesday, 24th April 2018 06:57 19:53
Wednesday, 25th April 2018 06:57 19:54
Thursday, 26th April 2018 06:56 19:54
Friday, 27th April 2018 06:55 19:55
Saturday, 28th April 2018 06:54 19:55
Sunday, 29th April 2018 06:53 19:56
Monday, 30th April 2018 06:53 19:56
  • Get FREE dining & drinks on Walt Disney World 2018 holidays
  • Plus $100 spending money & 14-day pass for price of 7
  • FREE Memory Maker (worth $199) & DisneyLife subscription

Expires at 23:59 on Wednesday 18th October 2017

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Key West weather by month

Check Key West weather for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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