Weather in Kristiansand in August

Shoulder season. August is shoulder season in Kristiansand — cheaper, quieter, and a genuine gamble. You should expect rain on 16 days of the month, which is more days wet than dry.

August ranks 3 of 12 in Kristiansand. Only July scores clearly higher, and the difference is small enough to be settled by price rather than weather.

Rain on 16 days, 4 of them heavy. Enough to need a plan B, not enough to need a plan around it. Nothing specialised needed — this is the month you pack for the trip rather than for the weather.

What the averages hide

Averages flatten a month, and this one hides a few things: it never really gets hot: not one day in an average August reaches 30 °C; the day barely swings — 3.2 °C between the overnight low and the afternoon high. Across the twenty years measured, the hottest August day reached 23.6 °C and the coldest night fell to 9.9 °C, and the wettest single day dropped 52 mm — roughly 46% of the month's rain in one day.

August is statistically steady but not small: the year-to-year variation is modest in relative terms, yet the wettest August on record still delivered 167 mm against 36 mm in the driest. In a month this wet, even a tame spread is a lot of rain in absolute terms — the 112 mm average is a reasonable planning figure, not a promise.

Wind is light at 13.2 km/h, so the temperature on the page is close to the temperature on your skin, and humidity runs at 84%, high enough to notice on the warm days without dominating them.

How August sits in the year

Temperatures hold steady either side: 18 °C in July, 18.1 here, 15.4 in September. Nothing about the timing within the month matters much.

Daylight in August

15.5 hours of daylight, losing 2.3 hours across the month. That is between Kristiansand's extremes of 18.2 and 6.5 hours, so days are long enough not to constrain the plan.

Sea temperature

The sea sits at about 16.9 °C in August — cold — a quick dip rather than a swim, and a wetsuit if you are in for longer. This is the warmest the water gets all year.

How busy it gets

Peak season. Expect the highest prices of the year and to be booking well ahead.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

August in Kristiansand versus nearby

If Kristiansand is one option among several, the nearby comparison is worth making. Stavanger is close enough to be a coin toss — within a degree on temperature, 3 days more rain. Gothenburg is close enough to be a coin toss — within a degree on temperature, 1 day more rain.

So: August is effectively as good as it gets here — 5 points behind July, which is inside the margin where the weather stops being the deciding factor and price starts being it.

Every month in Kristiansand

See all twelve months in Kristiansand, or where else to go in August.