Weather in Kalamata in June
Greece · 20-year averages, June
Prime time. June is about as good as Kalamata gets. Highs average 29.3 °C, lows 20.6 °C, and rain falls on 4 days — nothing in the month is working against you.
June ranks 3 of 12 in Kalamata. Only May scores clearly higher, and the difference is small enough to be settled by price rather than weather.
Rain falls on only 4 days, so an itinerary with no wet-weather fallback is a reasonable risk. Pack for 29.3 °C days and 20.6 °C nights; the spread matters more here than any single number.
What the averages hide
Averages flatten a month, and this one hides a few things: 13 days top 30 °C — hot spells arrive, but they break. Across the twenty years measured, the hottest June day reached 38.7 °C and the coldest night fell to 14.6 °C, and the wettest single day dropped 111 mm — roughly 427% of the month's rain in one day.
This is the volatile part. June rainfall has ranged from 0 mm to 159 mm across the twenty years measured — a 159 mm spread around an average of 26 mm. The average is real but almost no individual June looks like it, so treat the figure as the middle of a wide range rather than a forecast.
Wind is light at 10 km/h, so the temperature on the page is close to the temperature on your skin, and humidity is unremarkable at 65%.
How June sits in the year
The month is on the way up: 4.5 °C warmer than May, and July adds another 3.6 °C. Late in the month feels noticeably different from the start of it, which is worth knowing if the trip is short.
Daylight in June
June is at or near the longest days of Kalamata's year: 14.7 hours of daylight, holding steady all month. Evenings are the real gain — dinner outdoors still happens in full light.
Sea temperature
The sea sits at about 22.9 °C in June — comfortable for a proper swim. The sea peaks at 26.7 °C in August and bottoms out at 15.7 °C — water lags the air by a month or two, which is why the best swimming often comes after the best weather.
How busy it gets
Busy. Popular without being frantic; book the things you care about, improvise the rest.
Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.
June in Kalamata versus nearby
If Kalamata is one option among several, the nearby comparison is worth making. Pátra is the weaker option in June — 2.8 °C warmer, the same number of rain days. Athens is close enough to be a coin toss — within a degree on temperature, the same number of rain days.
So: June works, with May the better month by 9 points if the dates can move. If they cannot, nothing here should stop you booking.
Every month in Kalamata
| Month | High °C | Low °C | Rain days | Rain mm | Humidity % | Daylight h | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|
| January | 14.5 | 9 | 14 | 111 | 79 | 9.9 | 16.7 | 54 |
| February | 14.9 | 9 | 12 | 80 | 78 | 10.8 | 15.8 | 60 |
| March | 17.4 | 10.6 | 10 | 59 | 76 | 11.9 | 15.7 | 73 |
| April | 20.5 | 12.8 | 6 | 30 | 72 | 13.1 | 16.6 | 89 |
| May | 24.8 | 16.5 | 5 | 21 | 69 | 14.1 | 19.3 | 92 |
| June | 29.3 | 20.6 | 4 | 26 | 65 | 14.7 | 22.9 | 83 |
| July | 32.9 | 23.5 | 2 | 13 | 59 | 14.5 | 25.6 | 70 |
| August | 33.4 | 24.3 | 2 | 9 | 58 | 13.6 | 26.7 | 68 |
| September | 29.2 | 21.4 | 7 | 55 | 66 | 12.5 | 25.8 | 78 |
| October | 24.8 | 17.7 | 9 | 67 | 72 | 11.3 | 23.6 | 83 |
| November | 20.3 | 14.2 | 11 | 102 | 76 | 10.2 | 21.2 | 77 |
| December | 16 | 10.5 | 13 | 113 | 78 | 9.6 | 18.7 | 61 |
See all twelve months in Kalamata, or where else to go in June.
Planning the rest of the trip
- Flight time to Kalamata how long you are actually in the air
- Kalamata time zone and the difference from home
- Days until your trip count down to the departure date