Reykjavík Weather in March
March in Reykjavík typically sees daytime highs of 4°C (39°F) and nighttime lows of -2°C (28°F). Rainfall is also possible this month, so it's worth packing an umbrella.
Rainfall in Reykjavík in March
Climate statistics over the past 30 years suggest around 19 days of snow/rain, with 128 mm (5 in) average for the month. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.
Temperature in Reykjavík in March
In March, Reykjavík sees low temperatures, with highs of 4°C (39°F). Nights drop to around -2°C (28°F). Time outdoors is usually more comfortable with proper winter clothing and protection from wind. With overnight lows of -2°C (28°F), temperatures fall below freezing at night. An extra thick blanket can make a real difference if your accommodation runs cold. Prepare for a very cold month by layering your clothing. It's always better to be prepared for the cold than to face it unprotected.
Sunshine in Reykjavík in March
The area experiences a moderate amount of sunshine, with approximately 111 hours of sunlight expected. This means a decent mix of sun and overcast.
Wind Speed in Reykjavík in March
March sees wind speeds averaging 6 m/s (12 knots). You'll experience strong winds that cause whole trees to sway and require effort when walking against them. As an average, expect variation from moderate breezes to particularly windy days that affect daily routines.
Average water temperature in March
With water temperatures around 6°C (43°F), swimming isn't really an option for most visitors. The cold sets in quickly and a wetsuit won't fully solve it.March in Reykjavík has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
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 Reykjavík's climate page.
Reykjavík Temperature in March
Min Temperature
-2°C (28°F)
Max Temperature
4°C (39°F)
Water Temperature
6°C (43°F)
Chance of Rain
64%
Precipitation
128 mm (5 in)
Rainy days
19 days
Humidity
77%
Windspeed
6 m/s (12 knots)
Sunshine
111 hours
Percentage Sunshine
29%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Reykjavík typically stay consistent throughout March, with daily highs averaging around 4°C (39°F). Nights are very cold, with lows typically ranging from -3°C (27°F) to -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 Reykjavík in March
Browse day-by-day weather records for Reykjavík spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Reykjavík historical weather extremes in March
The extremes listed below come from historical weather data collected in Reykjavík from 1976 through 2026.
- The warmest day in March was on March 20, 2005, with a maximum of 13°C (55°F).
- Reykjavík experienced its chilliest March day on March 6, 1998, reaching only -9°C (16°F).
- The lowest overnight temperature recorded in March was -15°C (5°F) (March 11, 2023).
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 Reykjavík in March
Cold weather calls for smart layering in March. A thermal base layer makes a huge difference in staying warm. Add a wool sweater or fleece, then a wind-resistant outer jacket. Prepare for significant rainfall with proper waterproof clothing and shoes. The water temperature sits at about 6°C (43°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Reykjavík 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 Reykjavík's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Reykjavík climate overview or explore weather in Iceland.
