30YearWeather
Oslo in April
Oslo weather in April - Norway
🌤️Mild & Comfortable

Oslo Weather in April

Plan your April trip to Oslo, Norway. Based on 30 years of NASA data, expect temperatures of 10°C (high) to 2°C (low), with 18% rain probability and 8 hours of daily sunshine. The Skagerrak averages 7°C in April. Great conditions with only 2 rainy days expected.

Avg High
10°C

Hottest around day 30

Avg Low
2°C

Coolest around day 2

Rainy Days
2days

18% avg rain chance

Sunshine
8hrs/day

Spring season

Sea Temperature in April

Skagerrak

6.8°C

Monthly Average

Water Feel
🥶Polar Plunge

Consider a wetsuit for extended swimming

Swim Rating
❄️Cold water hazard

Based on average sea surface temperature

Body of Water
Skagerrak

Oslo coastline

Oslo April Weather Calendar

Click any day to see detailed weather information

Currency

NOK

kr Norwegian krone

Language

Norwegian Nynorsk

+2 more

Driving

Right side

Connect

Most of Oslo is covered by 5G. Most of t...

Safety

Very High Safety

GPI: 1.465

Travel Intelligence

Exclusive flight analytics & health data for Oslo

Smart Flight Estimator

Airport-to-Airport Logistics

unlock smart flight estimates

Add your home location in settings to see airport details.

Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Well Connected
64/ 100
Traffic Index

Popular destination

Peak Daily Arrivals

0

slots per day

Peak

Apr

Low

Nov

Monthly Traffic Distribution

275
Jan
291
Feb
288
Mar
365
Apr
348
May
338
Jun
317
Jul
330
Aug
230
Sep
334
Oct
173
Nov
282
Dec
Traffic Level
Low Season

Key Connections

Trondheim Værnes (TRD)
Bergen Flesland (BGO)
Copenhagen Kastrup (CPH)
Stavanger Sola (SVG)
Stockholm -Arlanda (ARN)

Health & Safety Advisory

CDC travel health recommendations

7 Recommendations
COVID-19

All eligible travelers should be up to date with their COVID-19 vaccines. Please seeYour COVID-19 Vaccinationfor more information.

Hepatitis A

Consider hepatitis A vaccination for most travelers. It is recommended for travelers who will be doing higher risk activities, such as visiting smaller cities, villages, or rural areas where a traveler might get infected through food or water. It is recommended for travelers who plan on eating street food.

Hepatitis B

Recommended for unvaccinated travelers younger than 60 years old traveling to Norway. Unvaccinated travelers 60 years and older may get vaccinated before traveling to Norway.

Measles

Cases of measles are on the rise worldwide. Travelers are at risk of measles if they have not been fully vaccinated at least two weeks prior to departure, or have not had measles in the past, and travel internationally to areas where measles is spreading.All international travelers should be fully vaccinated against measles with the measles-mumps-rubella (MMR) vaccine, including an early dose for infants 6–11 months, according toCDC’s measles vaccination recommendations for international travel.

Rabies

Dogs infected with rabies are not commonly found in Norway.If rabies exposures occur while in Norway, rabies vaccines are typically available throughout most of the country.Rabies pre-exposure vaccination considerations include whether travelers 1) will be performing occupational or recreational activities that increase risk for exposure to potentially rabid animals and 2) might have difficulty getting prompt access to safe post-exposure prophylaxis.Please consult with a healthcare provider to determine whether you should receive pre-exposure vaccination before travel.For more information, seecountry rabies status assessments.

Tick-borne Encephalitis

For travelers moving or traveling toTBE-endemic areasTBE vaccineis recommended for persons who will haveextensiveexposure to ticks based on their planned outdoor activities and itinerary.TBE vaccine may be considered for persons who might engage in outdoor activities in areas ticks are likely to be found.

+1 more

Source: CDC Travelers' Health

View Complete Health Guide

Is April a Good Time to Visit Oslo?

👍Solid choice for most travelers
Short Answer

Oslo in April features 6.8°C seas - too cold for swimming but stunning for coastal walks. Air temperatures average 11°C with 18% rain probability.

Decision Factors

Vaccinations required

Yellow Fever

Peak tourist season

100% of annual peak - expect crowds and peak prices

Cold sea - swimming challenging

6.8°C sea temperature - Polar Plunge

Health precautions needed

Be aware of: Leptospirosis, Hantavirus, Parvovirus B19

Plenty of sunshine

9.5h of sunshine daily

Calm, family-friendly seas

0.17m wave height - Lake-like

Good For

  • 👨‍👩‍👧‍👦
    Families with children

    Comfortable 10.5°C temperatures and low 18% rain risk

  • 🏛️
    Cultural tourists

    Comfortable conditions for exploring museums and sites

  • 💼
    Business travelers

    Climate-controlled meetings unaffected by weather

  • 🌡️
    Heat-sensitive visitors

    Manageable 10.5°C without oppressive humidity

Who Should Avoid

  • 🏖️
    Beach lovers

    Sea temperature only 6.8°C - too cold for comfortable swimming

  • 💰
    Budget travelers

    Peak season means premium prices everywhere

900 observations30-year historical data
Confidence: 99%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Oslo in April averages 10°C with 18% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: Oslo in April

What are the temperatures in Oslo in April?

Daytime highs average 10°C, nights drop to 2°C. Temperatures remain fairly consistent.

How many rainy days in Oslo in April?

Expect around 2 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Oslo in April?

Warm winter clothing: insulated jacket, boots, gloves.

Is April peak season in Oslo?

This is shoulder season—moderate prices and manageable crowds.