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April Weather in Hollister, United States

Last updated: June 24, 2025

In April, the average temperature in Hollister, United States hovers around 13°C (56°F). However, temperatures can vary significantly, with a minimum of 2°C (36°F) and a maximum of 31°C (88°F). Expect 26 mm (1.0 in) of precipitation over 4 days, with an average humidity of 78%.

April Temperature in Hollister

In April in Hollister, the average temperature is 13°C (56°F). The maximum can reach 31°C (88°F), while the minimum can drop to as low as 2°C (36°F). Travelers should be prepared for a wide range of temperatures, so layering clothing is recommended.

April Weather in Hollister: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Hollister, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hollister, April typically has an average temperature of 13°C (56°F), with highs reaching up to 31°C (88°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec505152555863656665615549
Data source: Temperature data for Hollister 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 Hollister

In Hollister in April, the precipitation amount is 26 mm (1.0 in) over the course of 4 days.

April Precipitation Trends in Hollister

The chart displays monthly precipitation patterns in Hollister, 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 Hollister, April typically receives around 26 mm (1.0 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec100778326181115153283
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Hollister

In Hollister in April, humidity is 78%. With an average temperature of 13°C (56°F), this humidity feels like a damp chill that can make outdoor activities a bit uncomfortable, creating a heavy atmosphere that clings to the skin, urging travelers to dress in layers for warmth and comfort.

April Average Humidity in Hollister

This chart illustrates the average monthly humidity levels in Hollister, 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 Hollister is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%84%82%78%71%64%59%54%55%62%78%80%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Hollister

In Hollister in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Hollister.

Maximum UV Index Levels in Hollister for April

The chart shows the monthly maximum UV Index (UVI) for Hollister 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 Hollister typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec4589111111109753
Data source: Hollister 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 Hollister Compares to Other Months

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

This table compares monthly weather conditions in Hollister, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)99 mm (3.9 inches)82%moderate
February Weather10°C (51°F)76 mm (3.0 inches)84%moderate
March Weather11°C (53°F)83 mm (3.3 inches)82%very high
April Weather13°C (56°F)26 mm (1.0 inches)78%very high
May Weather14°C (58°F)17 mm (0.7 inches)71%extreme
June Weather17°C (63°F)1 mm (0.0 inches)64%extreme
July Weather18°C (65°F)0 mm (0.0 inches)58%extreme
August Weather19°C (67°F)1 mm (0.0 inches)54%very high
September Weather18°C (65°F)5 mm (0.2 inches)55%very high
October Weather16°C (61°F)15 mm (0.6 inches)62%high
November Weather13°C (55°F)32 mm (1.3 inches)78%moderate
December Weather10°C (50°F)83 mm (3.3 inches)80%moderate

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