Climate of Osan

Osan has a moderate climate. There is a lot of rainfall in the summer, and in the winter it is quite dry again. The average annual temperature for Osan is 16° degrees and there is about 592 mm of rain in a year. It is dry for 219 days a year with an average humidity of 74% and an UV-index of 4.

Climate averages for the whole year

Day: the average daily temperature during the day is between 2°C and 28°C
Night:the average nighttime temperature is between -7°C and 20°C
Rain: it rains 117 days and there is a total of approximately 591 mm rainfall
Snow: it snows an average of 19 days per year
Sun hours: throughout the year there are 2778 sun hours

Maximum temperature:	between 2°C and 28°C
Warmest month:	28°C in August
Coldest month:	2°C in January
Night temperature:	between -7°C and 20°C
Dry days:	229 days
Days with rain:	117 days
Days with snow:	19 days
Total rain sum:	591 mm
Hours of sunshine:	2778 hours

Climate of Osan
Temperature graph
Precipitation graph
Climate chart of Osan
The best travel time for Osan
Climate of Osan by month
Experiences with the weather of Osan

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Temperature graph

This graph shows the average maximum temperature (red) and minimum temperature (blue) for Osan.

Precipitation graph

This graph shows the average amount of rainfall per month for Osan.

Climate table of Osan

In this climate table you can see at a glance what the average weather per month is for Osan. The data has been collected over a 30-year period, from which an average per month has been derived. From year to year the differences may be larger or smaller, but with this climate table you have a good idea of what the weather for Osan might be like in a given month.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Day temp. (°C)	2	5	10	16	22	25	27	28	23	18	11	3
Night temp. (°C)	-7	-4	0	5	10	15	20	19	14	8	2	-4
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Precipitation (mm)	7	14	28	59	42	63	116	113	59	53	22	15
Days with rain	2	3	6	10	9	17	23	20	12	6	5	4
Days with snow	6	3	4	-	-	-	-	-	-	-	1	5
Dry days	23	22	21	20	22	13	8	11	18	25	24	22
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sun hours per day	6	7	8	9	10	9	8	8	8	7	6	6
Wind force (Bft)	2	2	2	2	2	2	2	2	2	2	2	2
UV-index	2	2	3	4	5	5	6	5	4	3	2	2

Best time to visit Osan

The best time to visit Osan in South Korea is from May and June and September and October. In this period you have a pleasant temperature and little precipitation. The highest average temperature in Osan is 28°C in August and the lowest is 2°C in January.

Climate of Osan by month

What is the average climate in a given month for Osan? Click on a month to see all monthly averages for sunshine, maximum and minimum temperatures, percent chance of rain per day, snowfall and number of rainy days.

January