Besttimetovisit.co.nzClimate of Iona
Iona has a continental climate. It is warm in the summer and cold in the winter. The average annual temperature for Iona is 15° degrees and there is about 686 mm of rain in a year. It is dry for 188 days a year with an average humidity of 70% and an UV-index of 4.
Climate averages for the whole year
- Day: the average daily temperature during the day is between -3°C and 32°C
- Night:the average nighttime temperature is between -10°C and 20°C
- Rain: it rains 109 days and there is a total of approximately 687 mm rainfall
- Snow: it snows an average of 39 days per year
- Sun hours: throughout the year there are 1160 sun hours
| Maximum temperature: | between -3°C and 32°C |
| Warmest month: | 32°C in July |
| Coldest month: | -3°C in January |
| Night temperature: | between -10°C and 20°C |
| Dry days: | 217 days |
| Days with rain: | 109 days |
| Days with snow: | 39 days |
| Total rain sum: | 687 mm |
| Hours of sunshine: | 1160 hours |
Do you want to go to Iona?
These are the travel companies where you can book a trip to Iona:
Temperature graph
This graph shows the average maximum temperature (red) and minimum temperature (blue) for Iona.
Precipitation graph
This graph shows the average amount of rainfall per month for Iona.
Climate table of Iona
In this climate table you can see at a glance what the average weather per month is for Iona. 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 Iona might be like in a given month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Day temp. (°C) | -3 | -1 | 8 | 14 | 20 | 27 | 32 | 31 | 25 | 16 | 8 | -2 |
| Night temp. (°C) | -10 | -7 | -1 | 4 | 10 | 16 | 20 | 18 | 13 | 6 | -1 | -8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Precipitation (mm) | 26 | 32 | 35 | 86 | 90 | 114 | 75 | 76 | 55 | 51 | 15 | 32 |
| Days with rain | 4 | 4 | 7 | 12 | 16 | 16 | 13 | 13 | 10 | 9 | 3 | 2 |
| Days with snow | 10 | 8 | 6 | 3 | - | - | - | - | - | 1 | 3 | 8 |
| Dry days | 17 | 16 | 18 | 15 | 15 | 14 | 18 | 18 | 20 | 21 | 24 | 21 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| Sun hours per day | 2 | 2 | 3 | 3 | 4 | 4 | 5 | 4 | 3 | 3 | 2 | 2 |
| Wind force (Bft) | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| UV-index | 2 | 1 | 3 | 3 | 4 | 6 | 6 | 6 | 5 | 3 | 2 | 2 |
Best time to visit Iona
The best time to visit Iona in the state of South Dakota is from May and July through September. In this period you have a hot temperature and little precipitation. The highest average temperature in Iona is 32°C in July and the lowest is -3°C in January.
Climate of Iona by month
What is the average climate in a given month for Iona? 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.
Iona weather experiences
Have you been to in Iona?
Leave your Iona weather experience for a chance to win $150!