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June Weather in Hartford, United States

Last updated: June 24, 2025

In June, the average temperature in Hartford, United States reaches a pleasant 24°C (75°F). However, be prepared for variations, as temperatures can drop to a chilly 10°C (50°F) or soar to a sweltering 38°C (101°F). Expect 125 mm (4.9 in) of precipitation over approximately 9 days, contributing to an average humidity of 81%, which adds to the overall tropical feel of the month.

June Temperature in Hartford

In June in Hartford, the average temperature is 24°C (75°F), with maximums reaching 38°C (101°F) and minimums dropping as low as 10°C (50°F). It's an ideal time for travelers seeking mild weather, but remember to pack for both heat and cooler evenings.

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

The chart illustrates June temperature patterns in Hartford, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hartford, June typically has an average temperature of 24°C (75°F), with highs reaching up to 38°C (101°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec232440506375777469533931
Data source: Temperature data for Hartford 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 Hartford

In Hartford in June, the total precipitation amount is 125 mm (4.9 in) recorded over a span of 9 days.

June Precipitation Trends in Hartford

The chart displays monthly precipitation patterns in Hartford, 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 Hartford, June typically receives around 125 mm (4.9 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec4041837316612569761181314237
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Hartford

In Hartford in June humidity is 81%. With an average temperature of 24°C (75°F), this humidity feels like a warm, thick blanket enveloping you, making traveling a bit sticky and sweaty, yet still inviting for those who enjoy the rich, tropical atmosphere.

June Average Humidity in Hartford

This chart illustrates the average monthly humidity levels in Hartford, 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 Hartford is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%80%77%78%77%81%81%77%73%75%85%83%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Hartford

In Hartford in June, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Hartford.

Maximum UV Index Levels in Hartford for June

The chart shows the monthly maximum UV Index (UVI) for Hartford 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 Hartford typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35689111098643
Data source: Hartford 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 Hartford Compares to Other Months

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

This table compares monthly weather conditions in Hartford, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)40 mm (1.6 inches)78%moderate
February Weather-4°C (24°F)41 mm (1.6 inches)80%moderate
March Weather4°C (40°F)83 mm (3.3 inches)77%high
April Weather10°C (50°F)73 mm (2.9 inches)77%very high
May Weather17°C (63°F)166 mm (6.5 inches)77%very high
June Weather24°C (75°F)125 mm (4.9 inches)81%extreme
July Weather25°C (78°F)69 mm (2.7 inches)81%very high
August Weather24°C (75°F)76 mm (3.0 inches)77%very high
September Weather20°C (69°F)118 mm (4.6 inches)73%very high
October Weather12°C (53°F)131 mm (5.2 inches)75%high
November Weather4°C (39°F)42 mm (1.6 inches)85%moderate
December Weather0°C (31°F)37 mm (1.4 inches)83%moderate

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