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June Weather in Olten, Switzerland

Last updated: August 27, 2025

In Olten, Switzerland, the average temperature for June sits at a comfortable 18°C (65°F). However, be prepared for a range, as temperatures can dip as low as 6°C (43°F) or soar up to 34°C (93°F). During this month, expect approximately 142 mm (5.6 in) of precipitation across 18 days, contributing to an average humidity level of 82%.

June Temperature in Olten

In June in Olten, the average temperature is 18°C (65°F), with maximums reaching 34°C (93°F) and minimums dropping to as low as 6°C (43°F). This makes it an ideal time for travelers to experience a comfortable climate while exploring the local attractions.

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

The chart illustrates June temperature patterns in Olten, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Olten, June typically has an average temperature of 18°C (65°F), with highs reaching up to 34°C (93°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec343843495565676659504036
Data source: Temperature data for Olten 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 Olten

In Olten in June, the precipitation amount is 142 mm (5.6 in) spread over 18 days.

June Precipitation Trends in Olten

The chart displays monthly precipitation patterns in Olten, 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 Olten, June typically receives around 142 mm (5.6 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec9985100731501421651589110972133
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Olten

In Olten in June, humidity is 82%. With an average temperature of 18°C (65°F), this humidity feels like a warm, sticky embrace that can quickly leave travelers feeling fatigued and in need of frequent breaks to stay refreshed and hydrated.

June Average Humidity in Olten

This chart illustrates the average monthly humidity levels in Olten, 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 Olten is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec92%89%87%84%80%82%83%80%83%90%89%90%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Olten

In Olten in June, 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 Olten.

Maximum UV Index Levels in Olten for June

The chart shows the monthly maximum UV Index (UVI) for Olten 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 Olten typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986422
Data source: Olten 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 Olten Compares to Other Months

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

This table compares monthly weather conditions in Olten, showing how June’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)99 mm (3.9 inches)92%low
February Weather3°C (38°F)85 mm (3.3 inches)89%moderate
March Weather6°C (43°F)100 mm (4.0 inches)87%moderate
April Weather10°C (50°F)73 mm (2.9 inches)84%high
May Weather13°C (56°F)150 mm (5.9 inches)80%very high
June Weather18°C (65°F)142 mm (5.6 inches)82%very high
July Weather19°C (67°F)165 mm (6.5 inches)83%very high
August Weather19°C (66°F)158 mm (6.2 inches)80%very high
September Weather15°C (59°F)91 mm (3.6 inches)83%high
October Weather10°C (51°F)109 mm (4.3 inches)90%moderate
November Weather5°C (41°F)72 mm (2.8 inches)88%low
December Weather2°C (37°F)133 mm (5.2 inches)90%low

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