Dalvík, Iceland experiences average highs of 5°C (41°F) and lows of 1°C (34°F) throughout the year. Rainfall is frequent, averaging about 17 rainy days per month. Average highs have stayed broadly stable across the available records.
Dalvík, Iceland Weather & Climate 2026
Monthly climate averages for Dalvík, Iceland. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Feb–Nov 
Wetter season: Jan–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
2.2/10
Best: June, July, August
UV Index
2
Low
Temperature 5°C / 1°C
Feels Like 2°C / -3°C
Rainy Days 17
Rainfall 116 mm
Sunshine 6 h
Humidity 86%
Wind Speed 18 km/h
Dew Point 1°C
Snow Days 14 days
Frost Days 18 days
Hottest Month
13°C
July
Avg Low 9°C
Rain 17 days
Coldest Month
-5°C
January
Avg High 0°C
Rain 19 days
Driest Month
13 days
April
Avg High 3°C
Avg Low -1°C
Windiest Month
21 km/h
January (Gusts 54)
Sea Temperature
2°C – 9°C
Warmest water: August (
9.2°C
)
Worst Time to Visit
Consider avoiding January, February, March, October due to very cold temperatures, heavy rainfall.
Sun Position
Sunrise 02:50
Daylight 20.9h
Sunset 23:46
Live conditions —
Dalvík on the map · live conditions
Dalvík, Iceland
- Continent
- Europe
- Country
- Iceland
- City
- Dalvík
- Population
- 1.4K
- Elevation
- 40 m
- Coordinates
- 65.97°, -18.53°
Seasonal Breakdown
Spring
Mar–May
Avg High 3°C
Avg Low -1°C
Rain 15 days/mo
Summer
Jun–Aug
Avg High 12°C
Avg Low 8°C
Rain 16 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 5°C
Avg Low 1°C
Rain 18 days/mo
Winter
Dec–Feb
Avg High 0°C
Avg Low -4°C
Rain 19 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
High Low Shaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 0°C / -5°C . Feb: 0°C / -4°C . Mar: 1°C / -3°C . Apr: 3°C / -1°C . May: 7°C / 2°C . Jun: 10°C / 6°C . Jul: 13°C / 9°C . Aug: 13°C / 8°C . Sep: 9°C / 5°C . Oct: 5°C / 1°C . Nov: 2°C / -2°C . Dec: 0°C / -4°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 130 mm. Feb: 114 mm. Mar: 108 mm. Apr: 72 mm. May: 71 mm. Jun: 111 mm. Jul: 98 mm. Aug: 119 mm. Sep: 155 mm. Oct: 156 mm. Nov: 127 mm. Dec: 133 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 84%. Feb: 84%. Mar: 84%. Apr: 85%. May: 84%. Jun: 84%. Jul: 86%. Aug: 86%. Sep: 86%. Oct: 89%. Nov: 88%. Dec: 86%.
Monthly Wind Speed
Wind Speed Gusts
Bar chart showing monthly wind speed. Jan: 21 km/h . Feb: 21 km/h . Mar: 20 km/h . Apr: 16 km/h . May: 16 km/h . Jun: 16 km/h . Jul: 14 km/h . Aug: 14 km/h . Sep: 18 km/h . Oct: 19 km/h . Nov: 20 km/h . Dec: 21 km/h .
Sunshine
Sunshine
Sunshine: Jan: 1h. Feb: 3h. Mar: 7h. Apr: 10h. May: 12h. Jun: 11h. Jul: 10h. Aug: 9h. Sep: 6h. Oct: 4h. Nov: 1h. Dec: 0h.
Sea Temperature
Sea Temperature
Line chart showing monthly sea temperature. Jan: 2°C . Feb: 2°C . Mar: 2°C . Apr: 2°C . May: 5°C . Jun: 7°C . Jul: 9°C . Aug: 9°C . Sep: 8°C . Oct: 6°C . Nov: 5°C . Dec: 3°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 0. Feb: UV 1. Mar: UV 2. Apr: UV 3. May: UV 4. Jun: UV 4. Jul: UV 4. Aug: UV 3. Sep: UV 2. Oct: UV 1. Nov: UV 0. Dec: UV 0.
Monthly Daylight Hours
Daylight 12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow Days Snowfall
Snow Days: Jan: 24 days. Feb: 20 days. Mar: 22 days. Apr: 15 days. May: 11 days. Jun: 5 days. Jul: 2 days. Aug: 1 days. Sep: 8 days. Oct: 16 days. Nov: 18 days. Dec: 22 days.
Climate Trends
Average highs have stayed broadly stable across the available records. Average rainfall has remained broadly steady.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jul 2025 · 15°C | Jul · 13°C |
| Coldest month | Jan 2025 · -6°C | Jan · -5°C |
| Wettest month | Jun 2025 · 207 mm | Oct · 156 mm |
| Windiest month | Dec 2025 · 22 km/h | Jan · 21 km/h |
Month-by-Month Weather Table
January
Wet 
February
Poor March
Wet April
Poor May
Poor June best
Fair July best
Fair August best
Fair September
Wet October
Wet November
Poor December
Wet | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 0°C / -5°C | -5°C / -10°C | 19days (130 mm) Wet | 0.7h Poor | 84% Humid | 0.2 Low | Wet | View Details |
| February | 0°C / -4°C | -4°C / -9°C | 17days (114 mm) Wet | 3.1h Poor | 84% Humid | 0.7 Low | Poor | View Details |
| March | 1°C / -3°C | -4°C / -8°C | 18days (108 mm) Wet | 6.5h Fair | 84% Humid | 1.9 Low | Wet | View Details |
| April | 3°C / -1°C | -1°C / -5°C | 13days (72 mm) Wet | 9.5h Good | 85% Humid | 3.4 Moderate | Poor | View Details |
| May | 7°C / 2°C | 4°C / -1°C | 14days (71 mm) Wet | 11.9h Excellent | 84% Humid | 4 Moderate | Poor | View Details |
| June best | 10°C / 6°C | 8°C / 3°C | 15days (111 mm) Wet | 11.2h Excellent | 84% Humid | 3.8 Moderate | Fair | View Details |
| July best | 13°C / 9°C | 11°C / 7°C | 17days (98 mm) Wet | 9.8h Good | 86% Very Muggy | 3.9 Moderate | Fair | View Details |
| August best | 13°C / 8°C | 11°C / 6°C | 15days (119 mm) Wet | 8.9h Good | 86% Very Muggy | 3.1 Moderate | Fair | View Details |
| September | 9°C / 5°C | 7°C / 2°C | 19days (155 mm) Wet | 6.2h Fair | 86% Very Muggy | 1.9 Low | Wet | View Details |
| October | 5°C / 1°C | 1°C / -3°C | 18days (156 mm) Wet | 3.6h Poor | 89% Very Muggy | 1 Low | Wet | View Details |
| November | 2°C / -2°C | -2°C / -7°C | 17days (127 mm) Wet | 1.2h Poor | 88% Very Muggy | 0.3 Low | Poor | View Details |
| December | 0°C / -4°C | -4°C / -9°C | 20days (133 mm) Wet | 0.2h Poor | 86% Very Muggy | 0 Low | Wet | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Dalvík are June, July, August, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Dalvík, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Dalvík is July, with average daytime highs of 13°C (55°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Dalvík is January, with average overnight lows of -5°C (24°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Dalvík is October, averaging 156mm of precipitation across 18 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Dalvík runs through December, January, September, March, with the heaviest rainfall in December. Based on 10-year averages for Dalvík.
Dalvík receives approximately 73 sunshine hours per year. The sunniest month is May with around 12 hours. Based on climate data for Dalvík.
The least favorable months to visit Dalvík are January, February, March, October, primarily due to very cold temperatures, heavy rainfall. For the best conditions, consider June, July, August instead.
The annual average UV index in Dalvík is 2, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Dalvík is 86%, classified as humid. High humidity makes warm temperatures feel significantly hotter — lightweight, breathable clothing is recommended.
Sea temperatures in Summer average 5°C (41°F), which most swimmers will find too cold without a wetsuit.
Yes, Dalvík receives snow. Months with snowfall average 14 snow days and 48 cm (19 in) of accumulation, with about 18 frost days during winter.
Average wind speeds in Dalvík are 18 km/h (11 mph). The windiest month is January with peak winds reaching 21 km/h (13 mph) (gusts up to 54 km/h / 33 mph).
Dalvík averages 0 clear-sky days per month with overall cloud cover around 81%. The clearest skies occur in May.
The annual average dew point in Dalvík is 1°C (34°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Dalvík has a Subpolar Oceanic climate, classified as Cfc under the Köppen system. Temperate climates have mild winters and warm summers, with rainfall spread across the year and four distinct seasons.
The 'feels like' temperature in Dalvík ranges from -3°C (27°F) to 2°C (36°F) on average. Wind chill makes winters feel noticeably colder than the actual temperature — layered clothing is recommended.
July is not the best time to visit Dalvík, with a climate score of 4.7/10. Consider visiting during June, July, August instead for better conditions.
For July in Dalvík, pack Layered clothing, Light jacket, Umbrella, Waterproof jacket, Waterproof shoes. With average highs of 13°C (55°F) and 17 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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