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April Weather in San Jose, Belize

Last updated: August 22, 2025

In San Jose, Belize, the average temperature in April reaches a warm 28°C (83°F). Be prepared for a range, as temperatures can dip to a cool 18°C (65°F) or soar to a scorching 38°C (101°F). With an expected precipitation of 35 mm (1.4 in) over 9 days, and an average humidity level hovering around 64%, it's wise to stay hydrated and bring along an umbrella!

April Temperature in San Jose

In April in San Jose, the average temperature is 28°C (83°F), with maximums reaching up to 38°C (101°F) and minimums dropping as low as 18°C (65°F). This warm weather makes it an ideal time for travelers to enjoy outdoor activities and explore the beauty of San Jose.

April Weather in San Jose: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in San Jose, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Jose, April typically has an average temperature of 28°C (83°F), with highs reaching up to 38°C (101°F) and lows dropping to around 18°C (65°F).
JanFebMarAprMayJunJulAugSepOctNovDec757880838483838383817776
Data source: Temperature data for San Jose generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in San Jose

In San Jose in April, the total precipitation amount reaches 35 mm (1.4 in) over the course of 9 days.

April Precipitation Trends in San Jose

The chart displays monthly precipitation patterns in San Jose, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In San Jose, April typically receives around 35 mm (1.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec552927357823911515018322610253
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in San Jose

In San Jose in April, humidity is 64%. With an average temperature of 28°C (83°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities feel strenuous and sticky, possibly leading travelers to seek air-conditioned spots and frequent hydration breaks.

April Average Humidity in San Jose

This chart illustrates the average monthly humidity levels in San Jose, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in San Jose is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%80%69%64%63%62%65%78%86%87%88%88%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in San Jose

In San Jose in April, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in San Jose, you can check here.

Maximum UV Index Levels in San Jose for April

The chart shows the monthly maximum UV Index (UVI) for San Jose in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in San Jose typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131413131313131298
Data source: San Jose April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How April Weather in San Jose Compares to Other Months

Weather in San Jose varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in San Jose, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in San Jose, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)55 mm (2.2 inches)85%very high
February Weather26°C (78°F)29 mm (1.2 inches)80%extreme
March Weather27°C (80°F)27 mm (1.1 inches)69%extreme
April Weather28°C (83°F)35 mm (1.4 inches)64%extreme
May Weather29°C (84°F)78 mm (3.1 inches)63%extreme
June Weather28°C (83°F)239 mm (9.4 inches)62%extreme
July Weather28°C (83°F)115 mm (4.5 inches)65%extreme
August Weather28°C (84°F)150 mm (5.9 inches)78%extreme
September Weather28°C (83°F)183 mm (7.2 inches)85%extreme
October Weather27°C (81°F)226 mm (8.9 inches)87%extreme
November Weather25°C (78°F)102 mm (4.0 inches)88%very high
December Weather24°C (76°F)53 mm (2.1 inches)88%very high

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