San Juan weather in April 2018

Expect 29°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in San Juan in April. Check more long-term weather averages for San Juan in April before you book your next holiday to Puerto Rico in 2018.

Key weather averages for San Juan in April

  • 29°C maximum daytime temperature in April in San Juan29
    29°C max day temperature
  • 9 hours of sunshine per day (71% of daylight hours) in April in San Juan9
    9 hours of sunshine per day
  • 14 days with some rainfall in April in San Juan14
    14 days with some rainfall
  • 21°C minimum night-time temperature in April in San Juan21
    21°C min night temperature
  • 13 hours of daylight per day in April in San Juan13
    13 hours of daylight per day
  • High heat & humidity in April in San JuanH
    High heat & humidity
  • 121 mm monthly rainfall in April in San Juan121
    121 mm of monthly rainfall
  • UV (maximum) index 11+ (Extreme) in April in San Juan11
    11+ (Extreme) UV index
  • 26°C sea temperature in April in San Juan26
    26°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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More about San Juan

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Guide to San Juan weather in April

The average maximum daytime temperature in San Juan in April is a warm 29°C (84°F) with high heat & humidity. The average night-time temperature is usually a comfortable 21°C (70°F). There are usually 9 hours of bright sunshine each day, which represents 71% of the 13 hours of daylight.

Expect 121mm (4.8 inches) of rainfall across the whole of April with 14 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 San Juan in April is 26°C (79°F).

The weather in San Juan in April is represented by San Juan.

San Juan sunrise & sunset times for April 2018

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st April 2018 06:19 18:38
Monday, 2nd April 2018 06:18 18:38
Tuesday, 3rd April 2018 06:17 18:39
Wednesday, 4th April 2018 06:16 18:39
Thursday, 5th April 2018 06:15 18:39
Friday, 6th April 2018 06:15 18:39
Saturday, 7th April 2018 06:14 18:40
Sunday, 8th April 2018 06:13 18:40
Monday, 9th April 2018 06:12 18:40
Tuesday, 10th April 2018 06:11 18:40
Wednesday, 11th April 2018 06:11 18:40
Thursday, 12th April 2018 06:10 18:41
Friday, 13th April 2018 06:09 18:41
Saturday, 14th April 2018 06:08 18:41
Sunday, 15th April 2018 06:08 18:41
Monday, 16th April 2018 06:07 18:42
Tuesday, 17th April 2018 06:06 18:42
Wednesday, 18th April 2018 06:05 18:42
Thursday, 19th April 2018 06:05 18:43
Friday, 20th April 2018 06:04 18:43
Saturday, 21st April 2018 06:03 18:43
Sunday, 22nd April 2018 06:03 18:43
Monday, 23rd April 2018 06:02 18:44
Tuesday, 24th April 2018 06:01 18:44
Wednesday, 25th April 2018 06:01 18:44
Thursday, 26th April 2018 06:00 18:45
Friday, 27th April 2018 06:00 18:45
Saturday, 28th April 2018 05:59 18:45
Sunday, 29th April 2018 05:58 18:45
Monday, 30th April 2018 05:58 18:46
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Check San Juan 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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