nomadseason

June Weather in Jefferson, United States

Last updated: June 24, 2025

In June, the average temperature in Jefferson, United States is a pleasant 19°C (66°F). You can expect temperatures to range from a cool 6°C (43°F) at night to a warm 29°C (84°F) during the day. However, be prepared for occasional rain, as 132 mm (5.2 in) of precipitation falls over approximately 16 days. The humidity level is typically high at 83%, making the air feel quite rich and moist.

June Temperature in Jefferson

In June in Jefferson, the average temperature is 19°C (66°F), with maximums reaching up to 29°C (84°F) and minimums dipping as low as 6°C (43°F). This pleasant climate makes Jefferson an ideal destination for travelers seeking a comfortable escape.

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

The chart illustrates June temperature patterns in Jefferson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jefferson, June typically has an average temperature of 19°C (66°F), with highs reaching up to 29°C (84°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec344044526066706864564238
Data source: Temperature data for Jefferson generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

June Precipitation in Jefferson

In Jefferson in June, the precipitation amount is 132 mm (5.2 in) over the course of 16 days.

June Precipitation Trends in Jefferson

The chart displays monthly precipitation patterns in Jefferson, 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 Jefferson, June typically receives around 132 mm (5.2 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec8812911214314013210313312613076107
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

June Humidity in Jefferson

In Jefferson in June, humidity is 83%. With an average temperature of 19°C (66°F), this humidity feels like a heavy blanket wrapping around you, making travel feel more sluggish and muggy, yet there's a refreshing coolness in the air that invites you to explore.

June Average Humidity in Jefferson

This chart illustrates the average monthly humidity levels in Jefferson, 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 Jefferson is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%86%84%83%83%79%66%68%78%89%86%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Jefferson

In Jefferson 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 Jefferson.

Maximum UV Index Levels in Jefferson for June

The chart shows the monthly maximum UV Index (UVI) for Jefferson 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 Jefferson typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468111111111110863
Data source: Jefferson 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 Jefferson Compares to Other Months

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

This table compares monthly weather conditions in Jefferson, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)88 mm (3.5 inches)87%moderate
February Weather4°C (40°F)129 mm (5.1 inches)87%high
March Weather7°C (44°F)112 mm (4.4 inches)86%very high
April Weather11°C (52°F)143 mm (5.6 inches)84%extreme
May Weather16°C (61°F)140 mm (5.5 inches)83%extreme
June Weather19°C (66°F)132 mm (5.2 inches)83%extreme
July Weather21°C (70°F)103 mm (4.0 inches)79%extreme
August Weather20°C (69°F)133 mm (5.2 inches)66%extreme
September Weather18°C (65°F)126 mm (5.0 inches)68%very high
October Weather13°C (56°F)130 mm (5.1 inches)78%very high
November Weather6°C (42°F)76 mm (3.0 inches)89%high
December Weather3°C (38°F)107 mm (4.2 inches)86%moderate

Compare Jefferson's Climate with Cities Worldwide