-1 to 29°C
temperature
2793 hours
sunshine per day
364 mm
rain
236 days
dry
106 days
rain
23 days
snow

Climate of Siam

Siam has a continental climate. It is warm in the summer and cold in the winter. The average annual temperature for Siam is 16° degrees and there is about 366 mm of rain in a year. It is dry for 217 days a year with an average humidity of 75% and an UV-index of 4.

Climate averages for the whole year

  • Day: the average daily temperature during the day is between -1°C and 29°C
  • Night:the average nighttime temperature is between -8°C and 19°C
  • Rain: it rains 106 days and there is a total of approximately 364 mm rainfall
  • Snow: it snows an average of 23 days per year
  • Sun hours: throughout the year there are 2793 sun hours
Maximum temperature: between -1°C and 29°C
Warmest month: 29°C in July
Coldest month: -1°C in January
Night temperature: between -8°C and 19°C
Dry days: 236 days
Days with rain: 106 days
Days with snow: 23 days
Total rain sum: 364 mm
Hours of sunshine: 2793 hours

Temperature graph

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

Precipitation graph

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

Climate table of Siam

In this climate table you can see at a glance what the average weather per month is for Siam. 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 Siam might be like in a given month.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Day temp. (°C) -1 2 10 16 22 27 29 28 25 17 10 2
Night temp. (°C) -8 -7 1 6 13 18 19 18 14 8 1 -5
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (mm) 11 12 24 29 50 68 35 49 23 28 21 14
Days with rain 4 3 9 12 15 13 12 11 9 9 5 4
Days with snow 7 7 3 1 - - - - - - 1 4
Dry days 20 18 19 17 16 17 19 20 21 22 24 23
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sun hours per day 5 5 6 9 9 10 11 10 9 6 6 5
Wind force (Bft) 3 3 3 3 3 3 2 2 3 3 3 3
UV-index 2 2 3 4 5 6 6 6 5 3 2 2

Best time to visit Siam

The best time to visit Siam in the state of Iowa is from May through September. In this period you have a warm temperature and little precipitation. The highest average temperature in Siam is 29°C in July and the lowest is -1°C in January.

Climate of Siam by month

What is the average climate in a given month for Siam? 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.

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