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April Weather in Mountain View, United States

Last updated: June 24, 2025

In April, the average temperature in Mountain View, United States hovers around 14°C (57°F). Expect a minimum of 4°C (40°F) and a maximum reaching up to 32°C (90°F). You might also encounter 30 mm (1.2 in) of precipitation spread over 5 days, with an average humidity level of 78%. Enjoy the diverse climate!

April Temperature in Mountain View

In April in Mountain View, the average temperature is 14°C (57°F). Maximum temperatures can reach 32°C (90°F), while minimum temperatures can drop as low as 4°C (40°F). Be prepared for a range of weather conditions when traveling to Mountain View during this month.

April Weather in Mountain View: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Mountain View, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mountain View, April typically has an average temperature of 14°C (57°F), with highs reaching up to 32°C (90°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec505254576066687068645650
Data source: Temperature data for Mountain View 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 Mountain View

In Mountain View in April, the precipitation amount is 30 mm (1.2 in) over the course of 5 days.

April Precipitation Trends in Mountain View

The chart displays monthly precipitation patterns in Mountain View, 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 Mountain View, April typically receives around 30 mm (1.2 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec98958731241002224081
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Mountain View

In Mountain View in April, humidity is 78%. With an average temperature of 14°C (57°F), this humidity feels like a damp blanket wrapping around you, making outdoor exploration a bit uncomfortable but still enjoyable if you stay hydrated and plan for breaks in the shade.

April Average Humidity in Mountain View

This chart illustrates the average monthly humidity levels in Mountain View, 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 Mountain View 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 Mountain View

In Mountain View 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 Mountain View.

Maximum UV Index Levels in Mountain View for April

The chart shows the monthly maximum UV Index (UVI) for Mountain View 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 Mountain View typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3589101111109753
Data source: Mountain View 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 Mountain View Compares to Other Months

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

This table compares monthly weather conditions in Mountain View, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (51°F)98 mm (3.9 inches)82%moderate
February Weather11°C (52°F)95 mm (3.8 inches)84%moderate
March Weather12°C (54°F)87 mm (3.4 inches)82%very high
April Weather14°C (57°F)30 mm (1.2 inches)78%very high
May Weather16°C (61°F)23 mm (0.9 inches)71%very high
June Weather19°C (66°F)1 mm (0.0 inches)64%extreme
July Weather20°C (69°F)0 mm (0.0 inches)58%extreme
August Weather21°C (70°F)0 mm (0.0 inches)54%very high
September Weather20°C (69°F)2 mm (0.1 inches)55%very high
October Weather18°C (64°F)22 mm (0.9 inches)62%high
November Weather13°C (56°F)40 mm (1.6 inches)78%moderate
December Weather10°C (51°F)81 mm (3.2 inches)80%moderate

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