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June Weather in Watertown, United States

Last updated: June 24, 2025

In June, the average temperature in Watertown, United States hovers around 21°C (70°F). Expect a minimum chill of 7°C (44°F) and a warm peak reaching 37°C (98°F). With an average humidity of 81%, this month also brings about 84 mm (3.3 in) of precipitation over 9 days, ensuring a mix of sun and occasional showers.

June Temperature in Watertown

In June in Watertown, the average temperature is 21°C (70°F). Maximum temperatures can reach 37°C (98°F), while the minimum can drop to as low as 7°C (44°F). Be prepared for a wide range of temperatures during your travels!

June Weather in Watertown: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Watertown, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Watertown, June typically has an average temperature of 21°C (70°F), with highs reaching up to 37°C (98°F) and lows dropping to around 7°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec151430405670736962453223
Data source: Temperature data for Watertown 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.

June Precipitation in Watertown

In Watertown in June, the precipitation amount is 84 mm (3.3 in) spread over 9 days.

June Precipitation Trends in Watertown

The chart displays monthly precipitation patterns in Watertown, with values for each month alongside June’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June’s conditions compare to those of other months. In Watertown, June typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec2217486591848111384802533
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Watertown

In Watertown in June, humidity is 81%. With an average temperature of 21°C (70°F), this humidity feels like a warm, sticky embrace, making outdoor activities slightly uncomfortable and necessitating frequent breaks in the shade or air conditioning for a refreshing escape.

June Average Humidity in Watertown

This chart illustrates the average monthly humidity levels in Watertown, with June’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In June, average humidity in Watertown is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%89%81%82%76%81%82%83%82%82%87%84%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Watertown

In Watertown in June, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Watertown.

Maximum UV Index Levels in Watertown for June

The chart shows the monthly maximum UV Index (UVI) for Watertown in June, 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 June, the maximum UV index in Watertown typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3567910998532
Data source: Watertown June 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 June Weather in Watertown Compares to Other Months

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

This table compares monthly weather conditions in Watertown, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-10°C (15°F)22 mm (0.9 inches)85%moderate
February Weather-10°C (14°F)17 mm (0.7 inches)89%moderate
March Weather-1°C (31°F)48 mm (1.9 inches)81%high
April Weather5°C (41°F)65 mm (2.6 inches)82%high
May Weather13°C (56°F)90 mm (3.6 inches)76%very high
June Weather21°C (70°F)84 mm (3.3 inches)81%very high
July Weather23°C (73°F)81 mm (3.2 inches)82%very high
August Weather21°C (70°F)113 mm (4.4 inches)83%very high
September Weather17°C (62°F)84 mm (3.3 inches)82%very high
October Weather7°C (46°F)80 mm (3.1 inches)82%moderate
November Weather0°C (33°F)25 mm (1.0 inches)87%moderate
December Weather-5°C (23°F)33 mm (1.3 inches)84%low

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