April Weather in Hollister, United States

Last updated: June 24, 2025

In April, the average temperature in Hollister, United States hovers around 16°C (62°F). Expect a range where minimums can dip to -1°C (31°F) while maximums can soar up to 31°C (88°F). With 107 mm (4.2 in) of precipitation spread over 11 days and an average humidity of 82%, prepare for a mix of refreshing rain and humid air!

April Temperature in Hollister

In April in Hollister, the average temperature is 16°C (62°F), with maximums reaching up to 31°C (88°F) and minimums dropping as low as -1°C (31°F). This variability in temperature makes it advisable for travelers to pack both light clothing for warm days and layers for cooler nights.

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 16°C (62°F), with highs reaching up to 31°C (88°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec434852617076807874655146
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 107 mm (4.2 in) spread over a period of 11 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 107 mm (4.2 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec9111185107121135132158122918299
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 82%. With an average temperature of 16°C (62°F), this humidity feels like a blanket of warmth enveloping you, making traveling feel sticky and heavy as you navigate through the air.

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 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%84%82%83%83%79%77%75%81%87%85%
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.
JanFebMarAprMayJunJulAugSepOctNovDec4689101111109853
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 Weather6°C (43°F)91 mm (3.6 inches)84%moderate
February Weather9°C (48°F)111 mm (4.4 inches)84%high
March Weather11°C (52°F)85 mm (3.3 inches)84%very high
April Weather16°C (62°F)107 mm (4.2 inches)82%very high
May Weather21°C (70°F)121 mm (4.8 inches)82%very high
June Weather24°C (76°F)135 mm (5.3 inches)83%extreme
July Weather27°C (80°F)132 mm (5.2 inches)79%extreme
August Weather26°C (79°F)157 mm (6.2 inches)77%very high
September Weather23°C (74°F)122 mm (4.8 inches)75%very high
October Weather18°C (65°F)91 mm (3.6 inches)81%very high
November Weather11°C (51°F)82 mm (3.2 inches)87%moderate
December Weather8°C (47°F)99 mm (3.9 inches)85%moderate

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