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June Weather in Oswego, United States

Last updated: June 24, 2025

In June, the average temperature in Oswego, United States hovers around 26°C (78°F), offering a warm, inviting climate. However, temperatures can fluctuate, dipping to a cool 12°C (54°F) at night or soaring up to a sweltering 37°C (99°F) during the day. Expect a precipitation amount of 96 mm (3.8 in) over roughly 8 days, contributing to an average humidity of 83% that adds a tropical flair to the atmosphere.

June Temperature in Oswego

In June in Oswego, the average temperature is 26°C (78°F), with maximums occasionally reaching 37°C (99°F) and minimums dropping as low as 12°C (54°F). This makes Oswego an ideal destination for travelers seeking a warm getaway with pleasant evenings.

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

The chart illustrates June temperature patterns in Oswego, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oswego, June typically has an average temperature of 26°C (78°F), with highs reaching up to 37°C (99°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec363851576878817974604842
Data source: Temperature data for Oswego 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 Oswego

In Oswego in June, the precipitation amount is 96 mm (3.8 in) over the course of 8 days.

June Precipitation Trends in Oswego

The chart displays monthly precipitation patterns in Oswego, 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 Oswego, June typically receives around 96 mm (3.8 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec67651281242399698117941275340
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Oswego

In Oswego in June, humidity is 83%. With an average temperature of 26°C (78°F), this humidity feels like a heavy blanket wrapping around you, making travel a sticky affair as sweat lingers on your skin and every step requires extra effort.

June Average Humidity in Oswego

This chart illustrates the average monthly humidity levels in Oswego, 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 Oswego is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%76%71%74%83%83%81%73%67%72%82%85%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Oswego

In Oswego 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 Oswego.

Maximum UV Index Levels in Oswego for June

The chart shows the monthly maximum UV Index (UVI) for Oswego 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 Oswego typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35710101111109753
Data source: Oswego 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 Oswego Compares to Other Months

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

This table compares monthly weather conditions in Oswego, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)67 mm (2.6 inches)77%moderate
February Weather3°C (38°F)65 mm (2.6 inches)76%moderate
March Weather10°C (51°F)128 mm (5.0 inches)71%high
April Weather14°C (58°F)124 mm (4.9 inches)73%very high
May Weather20°C (68°F)239 mm (9.4 inches)83%very high
June Weather26°C (78°F)96 mm (3.8 inches)83%extreme
July Weather27°C (81°F)98 mm (3.8 inches)81%extreme
August Weather26°C (79°F)117 mm (4.6 inches)73%very high
September Weather24°C (75°F)94 mm (3.7 inches)67%very high
October Weather16°C (60°F)127 mm (5.0 inches)72%high
November Weather9°C (48°F)53 mm (2.1 inches)82%moderate
December Weather6°C (42°F)40 mm (1.6 inches)85%moderate

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