Konstanz is at its most pleasant from late May to mid September. For walking, go from April to mid June. It is rarely warm enough for sunbathing.
When to go five ratings · thirty-six ten-day sections · click a cell to read it
Konstanz never quite rates Good for sun. It comes closest in mid August, at 41, mostly because it is too cool. The weakest stretch is from late September to mid May, when it drops to 0, mostly because it is too cool. The clearest skies come in June, when the sky is typically 47% covered at midday (partly cloudy).
For being outside, go from late May to mid September. It peaks in early July, at 78. Avoid November to March for this: it falls to 0, mostly because it is too cold.
The walking season here runs from April to mid June, with a second spell from September to October. It peaks in late September, at 82. The weakest stretch is in mid January, when it drops to 2, mostly because it is too cold.
The year, measured
The average temperature in Konstanz over the whole year is 10°C. July is the hottest month, with highs of about 23°C; January is the coldest, with lows of about 0°C. Konstanz has no sharply defined rainy season: the chance of rain on a given day runs from 24% in October, the driest month, to 34% in December, the wettest. Winds in Konstanz are highest in February, averaging 2.7 m/s (10 km/h), and lightest in August, at 1.9 m/s (7 km/h). The prevailing wind is from the NW. The clearest skies in Konstanz come in July, when the sky is typically 49% covered; December is the cloudiest month, at 80%.
Month by month Konstanz climate by month: average temperatures year round · click a month to read it
| Month | High | Low | Feels like | Chance of rain | Cloud | Wind | Being outside | Sun | Walking |
|---|---|---|---|---|---|---|---|---|---|
| January | 2°C | 0°C | -2°C | 31% | 79% | 2.5 m/s | 0 | 0 | 7 |
| February | 5°C | 2°C | 1°C | 28% | 68% | 2.7 m/s | 0 | 0 | 17 |
| March | 8°C | 3°C | 4°C | 28% | 60% | 2.6 m/s | 2 | 0 | 32 |
| April | 13°C | 5°C | 9°C | 26% | 53% | 2.4 m/s | 19 | 0 | 60 |
| May | 16°C | 10°C | 13°C | 32% | 60% | 2.3 m/s | 43 | 3 | 73 |
| June | 22°C | 15°C | 21°C | 27% | 51% | 2.1 m/s | 73 | 20 | 61 |
| July | 23°C | 16°C | 22°C | 26% | 49% | 2.1 m/s | 77 | 28 | 55 |
| August | 22°C | 15°C | 22°C | 25% | 49% | 1.9 m/s | 70 | 33 | 49 |
| September | 18°C | 12°C | 17°C | 24% | 51% | 1.9 m/s | 63 | 9 | 74 |
| October | 13°C | 8°C | 11°C | 24% | 62% | 2.0 m/s | 26 | 0 | 72 |
| November | 7°C | 4°C | 4°C | 31% | 76% | 2.2 m/s | 1 | 0 | 28 |
| December | 3°C | 1°C | -1°C | 34% | 80% | 2.5 m/s | 0 | 0 | 8 |
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Konstanz weather by season
Year round, Konstanz has days of about 2°C at their warmest in January, its coolest month, and 23°C in July, its warmest; the coolest hours of the day run from 0°C to 16°C through the year, and the average temperature over the year is 10°C around the clock. Rain is most likely around December and least likely around October. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Konstanz weather in winterDecember to February
Winter in Konstanz has typical daily highs of about 3°C and lows of about 1°C, with a 31% chance of rain on a given day.
Konstanz weather in springMarch to May
Spring in Konstanz has typical daily highs of about 12°C and lows of about 6°C, with a 29% chance of rain on a given day.
Konstanz weather in summerJune to August
Summer in Konstanz has typical daily highs of about 22°C and lows of about 15°C, with a 26% chance of rain on a given day.
Konstanz weather in autumnSeptember to November
Autumn in Konstanz has typical daily highs of about 12°C and lows of about 8°C, with a 26% chance of rain on a given day.
When is the rainy season in Konstanz?
Konstanz has no sharply defined rainy season: the chance of rain on a given day runs from 24% in October, the driest month, to 34% in December, the wettest.
What time of year is Konstanz windiest?
Winds in Konstanz are highest in February, averaging 2.7 m/s (10 km/h), and lightest in August, at 1.9 m/s (7 km/h). The prevailing wind is from the NW.
What is the average temperature in Konstanz year round?
The average temperature in Konstanz over the whole year is 10°C. July is the hottest month, with highs of about 23°C; January is the coldest, with lows of about 0°C.
Where to go instead in early January, the weakest time here for being outside
How this is worked out
Every figure is a decade of weather-station observations blended into one typical year, in ten-day sections. The ratings, the chart and the feels-like column are read at midday local solar time. Being outside is the Easy outdoors rating, Sun is Sunbathing and Walking is Active outdoors, each out of 100: Good from 55, Ideal from 80. They describe what a time of year is usually like here, not a forecast. The dotted links open the map at that time of year; set its time of day to midday to see these numbers.