Grindavík Weather in March
Grindavík in March averages 5°C (41°F) during the day and 1°C (34°F) at night. Keep in mind that quite a bit of rainfall is expected this month.
Rainfall in Grindavík in March
Past climate data indicates that roughly 20 days will see rain, totalling around 126 mm (5 in) for the month. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.
Temperature in Grindavík in March
In March, Grindavík gets low temperatures, with highs of 5°C (41°F). Nights cool to around 1°C (34°F). It stays cool throughout the day, so warm layers are a good idea from morning to evening. With lows around 1°C (34°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Grindavík in March
The area enjoys a balanced 111 hours of sunlight, ensuring it's neither too overcast nor too sunny.If you prefer dry days with pleasant temperatures, March may not be the ideal month to visit Grindavík. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Iceland, check out our Grindavík's climate page.
Grindavík Temperature in March
Min Temperature
1°C (34°F)
Max Temperature
5°C (41°F)
Chance of Rain
66%
Precipitation
126 mm (5 in)
Rainy days
20 days
Humidity
77% *
Sunshine
111 hours *
Percentage Sunshine
29% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Grindavík typically stay consistent throughout March, with daily highs averaging around 5°C (41°F). Nights are very cold, with lows around -1°C (30°F).
Average temperatures in March
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in March
Historical weather for Grindavík in March
Browse day-by-day weather records for Grindavík spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Grindavík historical weather extremes in March
Based on weather observations in Grindavík between 1976 and 2026, these are the recorded extremes during March.
- The warmest day in March was on March 20, 2005, with a maximum of 11°C (52°F).
- Grindavík experienced its chilliest March day on March 6, 1998, reaching only -9°C (16°F).
- Grindavík registered its coldest March night on March 14, 1992, with temperatures dropping to -13°C (9°F).
Best Places in Iceland in March
Find out more about the weather in Iceland and which places have the best travel conditions in this month. See all of Iceland in March →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Grindavík in March
We recommend to layer up for chilly conditions in Grindavík in March. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Grindavík in March
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Iceland, check out our Grindavík's climate page.
Temperature Rainfall Sunshine Humidity
See the full Grindavík climate overview or explore weather in Iceland.
