Reykjavík Weather in April
In Reykjavík, April brings low daytime temperatures around 7°C (45°F), with nights cooling to 1°C (34°F). Expect quite a bit of rainfall this month.
Rainfall in Reykjavík in April
Past climate data indicates that roughly 18 days will see rain, totalling around 109 mm (4.3 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 Reykjavík in April
Daytime temperatures in Reykjavík reach 7°C (45°F) in April, dropping to 1°C (34°F) at night. Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. 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 Reykjavík in April
The area enjoys a moderate level of sunlight, with around 165 hours. It's a good balance between sunny and cloudy days.
Wind Speed in Reykjavík in April
Wind speeds average 6 m/s (12 knots) during April. At this speed, expect strong winds that make large branches move and create some resistance when walking. Since this is an average, some days have fresh winds while others have strong breezes that can make umbrellas tricky to control.
Average water temperature in April
With water temperatures around 7°C (45°F), swimming isn't really an option for most visitors. The cold sets in quickly and a wetsuit won't fully solve it.April in Reykjavík can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options 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 April
Min Temperature
1°C (34°F)
Max Temperature
7°C (45°F)
Water Temperature
7°C (45°F)
Chance of Rain
59%
Precipitation
109 mm (4.3 in)
Rainy days
18 days
Humidity
78%
Windspeed
6 m/s (12 knots)
Sunshine
165 hours
Percentage Sunshine
36%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Reykjavík typically stay consistent throughout April, with daily highs averaging around 7°C (45°F). Nights are cold, with lows typically ranging from -1°C (30°F) to 2°C (36°F).
Average temperatures in April
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 April
Historical weather for Reykjavík in April
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 April
Our historical data for Reykjavík spans 1976 to 2026, revealing these weather extremes.
- The warmest day in April was on April 30, 2019, with a maximum of 16°C (61°F).
- Reykjavík experienced its chilliest April day on April 5, 2021, reaching only -4°C (25°F).
- The lowest overnight temperature recorded in April was -11°C (12°F) (April 3, 1990).
- The wettest day in April Reykjavík was on April 3, 2022 with 32 mm (1.3 in) of precipitation.
Best Places in Iceland in April
Find out more about the weather in Iceland and which places have the best travel conditions in this month. See all of Iceland in April →
perfect weather
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tolerable
unpleasant
poor
What to Wear in Reykjavík in April
Dress warmly and in layers for your trip to Reykjavík in April. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Expect heavy rainfall, so bring good rain protection and waterproof bags. With water temperatures around 7°C (45°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Reykjavík in April
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.
