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October Weather in Gromiljak, Bosnia and Herzegovina

Last updated: August 22, 2025

In October, the average temperature in Gromiljak, Bosnia and Herzegovina hovers around 11°C (52°F). Expect minimums as low as 0°C (32°F) and occasional maximums reaching 27°C (80°F). With 83 mm (3.3 in) of precipitation spread across 9 days, the climate is quite humid, boasting an average humidity of 78%.

October Temperature in Gromiljak

In October in Gromiljak, the average temperature is 11°C (52°F). The maximum can reach 27°C (80°F), while the minimum can drop as low as 0°C (32°F). Be prepared for a mix of mild days and chilly nights while traveling!

October Weather in Gromiljak: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Gromiljak, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gromiljak, October typically has an average temperature of 11°C (52°F), with highs reaching up to 27°C (80°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec313841495764686961524536
Data source: Temperature data for Gromiljak 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.

October Precipitation in Gromiljak

In Gromiljak in October, the precipitation amount is 83 mm (3.3 in) over the course of 9 days.

October Precipitation Trends in Gromiljak

The chart displays monthly precipitation patterns in Gromiljak, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Gromiljak, October typically receives around 83 mm (3.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec7488928998888848448387142
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Gromiljak

In Gromiljak in October humidity is 78%. With an average temperature of 11°C (52°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities somewhat uncomfortable and travel more challenging as you navigate the moist air.

October Average Humidity in Gromiljak

This chart illustrates the average monthly humidity levels in Gromiljak, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Gromiljak is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%82%79%75%74%66%59%53%65%78%85%87%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Gromiljak

In Gromiljak in October, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Gromiljak.

Maximum UV Index Levels in Gromiljak for October

The chart shows the monthly maximum UV Index (UVI) for Gromiljak in October, 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 October, the maximum UV index in Gromiljak typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24679101097532
Data source: Gromiljak October 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 October Weather in Gromiljak Compares to Other Months

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

This table compares monthly weather conditions in Gromiljak, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)74 mm (2.9 inches)88%low
February Weather3°C (38°F)88 mm (3.5 inches)82%moderate
March Weather5°C (42°F)92 mm (3.6 inches)79%high
April Weather10°C (49°F)89 mm (3.5 inches)75%high
May Weather14°C (57°F)98 mm (3.9 inches)74%very high
June Weather18°C (65°F)88 mm (3.5 inches)66%very high
July Weather20°C (68°F)88 mm (3.4 inches)59%very high
August Weather21°C (70°F)47 mm (1.9 inches)53%very high
September Weather16°C (61°F)44 mm (1.7 inches)65%high
October Weather11°C (52°F)83 mm (3.3 inches)78%moderate
November Weather7°C (45°F)87 mm (3.4 inches)85%moderate
December Weather2°C (37°F)142 mm (5.6 inches)86%low

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