Halmstad, Sweden experiences average highs of 12°C (54°F) and lows of 6°C (43°F) throughout the year. Rainfall is frequent, averaging about 13 rainy days per month. Average highs have warmed by 0.7°C (1.3°F) across the available records.
Halmstad, Sweden Weather & Climate 2026
Monthly climate averages for Halmstad, Sweden. 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
4.4/10
Best: May, June, July, August, September
UV Index
3
Low
Temperature 12°C / 6°C
Feels Like 9°C / 3°C
Rainy Days 13
Rainfall 74 mm
Sunshine 8 h
Humidity 81%
Wind Speed 20 km/h
Dew Point 6°C
Snow Days 5 days
Frost Days 12 days
Hottest Month
21°C
July
Avg Low 14°C
Rain 17 days
Coldest Month
-1°C
February
Avg High 4°C
Rain 11 days
Driest Month
10 days
April
Avg High 12°C
Avg Low 3°C
Windiest Month
23 km/h
January (Gusts 45)
Sea Temperature
2°C – 20°C
Warmest water: July (
19.5°C
)
Worst Time to Visit
Consider avoiding January, February, March, December due to very cold temperatures, frequent rain.
Sun Position
Sunrise 04:39
Daylight 17.2h
Sunset 21:49
Live conditions —
Halmstad on the map · live conditions
Halmstad, Sweden
- Continent
- Europe
- Country
- Sweden
- City
- Halmstad
- Population
- 70.5K
- Coordinates
- 56.67°, 12.86°
Seasonal Breakdown
Spring
Mar–May
Avg High 12°C
Avg Low 4°C
Rain 11 days/mo
1/3 best months
Summer
Jun–Aug
Avg High 21°C
Avg Low 13°C
Rain 15 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 12°C
Avg Low 8°C
Rain 13 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 4°C
Avg Low 0°C
Rain 13 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: 3°C / -1°C . Feb: 4°C / -1°C . Mar: 7°C / 0°C . Apr: 12°C / 3°C . May: 17°C / 8°C . Jun: 21°C / 13°C . Jul: 21°C / 14°C . Aug: 21°C / 14°C . Sep: 18°C / 12°C . Oct: 12°C / 8°C . Nov: 7°C / 4°C . Dec: 4°C / 1°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 73 mm. Feb: 66 mm. Mar: 52 mm. Apr: 47 mm. May: 56 mm. Jun: 72 mm. Jul: 108 mm. Aug: 114 mm. Sep: 81 mm. Oct: 91 mm. Nov: 57 mm. Dec: 67 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 89%. Feb: 86%. Mar: 82%. Apr: 71%. May: 68%. Jun: 70%. Jul: 76%. Aug: 79%. Sep: 82%. Oct: 86%. Nov: 89%. Dec: 91%.
Monthly Wind Speed
Wind Speed Gusts
Bar chart showing monthly wind speed. Jan: 23 km/h . Feb: 22 km/h . Mar: 20 km/h . Apr: 20 km/h . May: 18 km/h . Jun: 19 km/h . Jul: 19 km/h . Aug: 18 km/h . Sep: 19 km/h . Oct: 22 km/h . Nov: 20 km/h . Dec: 21 km/h .
Sunshine
Sunshine
Sunshine: Jan: 3h. Feb: 5h. Mar: 7h. Apr: 11h. May: 13h. Jun: 13h. Jul: 13h. Aug: 11h. Sep: 8h. Oct: 5h. Nov: 3h. Dec: 2h.
Sea Temperature
Sea Temperature swim
Line chart showing monthly sea temperature. Jan: 3°C . Feb: 2°C . Mar: 4°C . Apr: 8°C . May: 13°C . Jun: 18°C . Jul: 20°C . Aug: 19°C . Sep: 18°C . Oct: 13°C . Nov: 8°C . Dec: 4°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 1. Feb: UV 1. Mar: UV 3. Apr: UV 4. May: UV 5. Jun: UV 6. Jul: UV 6. Aug: UV 5. Sep: UV 4. Oct: UV 2. Nov: UV 1. 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: 8 days. Feb: 6 days. Mar: 5 days. Apr: 2 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 0 days. Nov: 3 days. Dec: 6 days.
Climate Trends
Average highs have warmed by 0.7°C (1.3°F) 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 · 23°C | Jul · 21°C |
| Coldest month | Feb 2025 · -1°C | Feb · -1°C |
| Wettest month | Jul 2025 · 129 mm | Aug · 114 mm |
| Windiest month | Jun 2025 · 24 km/h | Jan · 23 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Fair May best
Good June best
Excellent July best
Good August best
Good September best
Good October
Poor November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 3°C / -1°C | -1°C / -5°C | 13days (73 mm) Wet | 2.5h Poor | 89% Very Muggy | 0.6 Low | Poor | View Details |
| February | 4°C / -1°C | 0°C / -5°C | 11days (66 mm) Wet | 4.7h Fair | 86% Very Muggy | 1.3 Low | Poor | View Details |
| March | 7°C / 0°C | 3°C / -4°C | 11days (52 mm) Wet | 7.2h Good | 82% Humid | 2.7 Moderate | Poor | View Details |
| April | 12°C / 3°C | 8°C / -1°C | 10days (47 mm) Wet | 10.7h Excellent | 71% Muggy | 4 Moderate | Fair | View Details |
| May best | 17°C / 8°C | 15°C / 5°C | 11days (56 mm) Wet | 12.7h Excellent | 68% Muggy | 5.2 High | Good | View Details |
| June best | 21°C / 13°C | 20°C / 11°C | 12days (72 mm) Wet | 13.4h Excellent | 70% Muggy | 5.8 High | Excellent | View Details |
| July best | 21°C / 14°C | 20°C / 13°C | 17days (108 mm) Wet | 12.7h Excellent | 76% Humid | 5.5 High | Good | View Details |
| August best | 21°C / 14°C | 20°C / 13°C | 16days (114 mm) Wet | 11h Excellent | 79% Humid | 4.5 Moderate | Good | View Details |
| September best | 18°C / 12°C | 16°C / 10°C | 12days (81 mm) Wet | 8.4h Good | 82% Humid | 3.5 Moderate | Good | View Details |
| October | 12°C / 8°C | 9°C / 4°C | 16days (91 mm) Wet | 5.3h Fair | 86% Very Muggy | 1.8 Low | Poor | View Details |
| November | 7°C / 4°C | 4°C / 0°C | 12days (57 mm) Wet | 2.8h Poor | 89% Very Muggy | 0.8 Low | Poor | View Details |
| December | 4°C / 1°C | 0°C / -3°C | 14days (67 mm) Wet | 1.8h Poor | 91% Very Muggy | 0.4 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Halmstad are May, June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Halmstad, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Halmstad is July, with average daytime highs of 21°C (70°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Halmstad is February, with average overnight lows of -1°C (31°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Halmstad is August, averaging 114mm of precipitation across 16 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Halmstad runs through July, August, October, December, with the heaviest rainfall in July. Based on 10-year averages for Halmstad.
Halmstad receives approximately 93 sunshine hours per year. The sunniest month is June with around 13 hours. Based on climate data for Halmstad.
The least favorable months to visit Halmstad are January, February, March, December, primarily due to very cold temperatures, frequent rain. For the best conditions, consider May, June, July, August, September instead.
The annual average UV index in Halmstad is 3, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Halmstad is 81%, classified as humid. High humidity makes warm temperatures feel significantly hotter — lightweight, breathable clothing is recommended.
Sea temperatures in Summer average 11°C (52°F), which most swimmers will find too cold without a wetsuit.
Yes, Halmstad receives snow. Months with snowfall average 5 snow days and 7 cm (3 in) of accumulation, with about 12 frost days during winter.
Average wind speeds in Halmstad are 20 km/h (12 mph). The windiest month is January with peak winds reaching 23 km/h (14 mph) (gusts up to 45 km/h / 28 mph).
Halmstad averages 2 clear-sky days per month with overall cloud cover around 67%. The clearest skies occur in April.
The annual average dew point in Halmstad is 6°C (43°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Halmstad has a Oceanic climate, classified as Cfb 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 Halmstad ranges from 3°C (37°F) to 9°C (48°F) on average. Wind chill makes winters feel noticeably colder than the actual temperature — layered clothing is recommended.
Yes, July is a great time to visit Halmstad. It earns a climate score of 7.4/10 with Good.
For July in Halmstad, pack Umbrella, Waterproof jacket, Waterproof shoes, Sunscreen (SPF 30+), Sunglasses. With average highs of 21°C (70°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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