What is the weather like in Oslo in May?

Expect temperatures between 7°C and 16°C with 25% average rain probability and about 8 hours of sunshine daily.

What is the weather like in Oslo in May?

Oslo in May scores 65/100 based on 30 years of climate data. Solid choice for most travelers.

Who should visit Oslo in May?

May in Oslo is ideal for: Families with children, Cultural tourists, Business travelers, Heat-sensitive visitors.

Oslo Weather in May | 30-Year Forecast

Avg High

16°C

Hottest around day 31

Avg Low

7°C

Coolest around day 2

Rainy Days

12days

25% avg rain chance

Sunshine

8hrs/day

Spring season

Sea Temperature in May

Skagerrak

12.6°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

Essential Travel Info for Oslo

🗓️ Best Time to Visit 📖 Travel Guide 🍴 Food Guide

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

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Well Connected

64/ 100

Traffic Index

Popular destination

Peak Daily Arrivals

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 May a Good Time to Visit Oslo?

👍Solid choice for most travelers(65/100)

Short Answer

Don't expect beach weather in Oslo's May: 12.6°C cold seas despite 16°C air temps. Coastal scenery remains beautiful, just pack warm layers.

Decision Factors

Vaccinations required

Yellow Fever

Peak tourist season

95% of annual peak - expect crowds and peak prices

Cold sea - swimming challenging

12.6°C sea temperature - Polar Plunge

Health precautions needed

Be aware of: Leptospirosis, Hantavirus, Parvovirus B19

Plenty of sunshine

11.6h of sunshine daily

Calm, family-friendly seas

0.21m wave height - Lake-like

Good For

👨‍👩‍👧‍👦
Families with children
Comfortable 15.9°C temperatures and low 25% rain risk
🏛️
Cultural tourists
Comfortable conditions for exploring museums and sites
💼
Business travelers
Climate-controlled meetings unaffected by weather
🌡️
Heat-sensitive visitors
Manageable 15.9°C without oppressive humidity

Who Should Avoid

🏖️
Beach lovers
Sea temperature only 12.6°C - too cold for comfortable swimming
💰
Budget travelers
Peak season means premium prices everywhere

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,Oslo in May averages 16°C with 25% precipitation probability."

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

Frequently Asked Questions: Oslo in May

What are the temperatures in Oslo in May?

Daytime highs average 16°C, nights drop to 7°C. Temperatures remain fairly consistent.

How many rainy days in Oslo in May?

Expect around 12 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in Oslo in May?

Layers are key. A medium-weight jacket and closed-toe shoes.

Is May peak season in Oslo?

This is shoulder season—moderate prices and manageable crowds.

Oslo Weather in May