AI-generatedRoskilde at a glance
- Best time
- Jul – Aug
- Warmest month
- Jul · 21°
- Warmest sea
- Aug · 18.0°
- Sunshine a year
- 1,860 h
- Rain a year
- 675 mm
- Climate
- Maritime
- Time zone
- UTC+1 / UTC+2
- Elevation
- 41 m
Climate in Roskilde
Roskilde has a maritime climate with moderate summers and cool, often grey winters. July is the warmest month with average highs of 21 °C, while January is the coolest at 3 °C. With around 1,860 hours of sunshine a year, Roskilde is moderately sunny; June is the sunniest month with 8.6 hours a day.
Holiday weather through the year
Weather in October
Holiday weather in October
Poor
Best time to visit: July – August
A typical day in October
- Morning, 08:00: about 8°
- Midday, 13:00: about 12°
- Afternoon, 16:00: about 12°
- Evening, 20:00: about 10°
- Night, 23:00: about 9°
07:4018:15
Cold evenings: bring a warm jacket.
Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.
Light for photos in October
- Golden hour
- Morning 07:17–08:31 · evening 17:23–18:37
- Blue hour
- Morning 07:03–07:17 · evening 18:37–18:52
Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.
What is the weather like in Roskilde in October?
In October, Roskilde is cool: daytime highs average 12 °C, and nights cool down to about 8 °C. The sea averages 12.2 °C – swimming is only for the hardy. The sun is scarce, with only about 4 hours a day. Rain is frequent, with about 12 rainy days and 60 mm in total. All in all, October is not an ideal month for a holiday in Roskilde.
More details for October
- Daylight
- 10 h 35 min07:40 – 18:15
- UV index
- 1 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 23 km/haverage daily peakAll months
- Cloud cover
- 71 %on averageAll months
- Hot days
- 0 days30 °C or more
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC+2Europe/Copenhagen
How the score comes together
- Temperatureweight 35 %0 %
- Seaweight 25 %0 %
- Sunshineweight 20 %10 %
- Few rainy daysweight 20 %46 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in October
- A jumper for the evenings
- Rain jacket or umbrella
Sea temperature in Roskilde
Monthly sea surface temperature with the range of cooler and warmer years.
8 in 10 years: 11.1 – 13.2 °C
Swimming season: Never above 20 °C
- cold
- fresh
- refreshing
- pleasant
- warm
- very warm
The sea temperature in Roskilde ranges from 2.5 °C in February to 18.0 °C in August. Even at its warmest the sea stays below 20 °C, so swimming is bracing at best.
The sea warms up slowly: it is warmest in August, while the air already peaks in July. From November to January the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in August, eight out of ten years were between 16.7 and 19.5 °C.
| Month | Average | Cool year | Warm year | Feels |
|---|---|---|---|---|
| JanuaryJan | 3.4° | 2.0° | 4.5° | cold |
| FebruaryFeb | 2.5° | 1.3° | 3.7° | cold |
| MarchMar | 3.3° | 1.5° | 4.6° | cold |
| AprilApr | 5.9° | 4.5° | 7.2° | cold |
| MayMay | 10.3° | 8.9° | 12.0° | cold |
| JuneJun | 14.7° | 13.2° | 16.3° | cold |
| JulyJul | 17.3° | 15.2° | 19.3° | fresh |
| AugustAug | 18.0° | 16.7° | 19.5° | fresh |
| SeptemberSep | 15.8° | 14.4° | 17.3° | cold |
| OctoberOct | 12.2° | 11.1° | 13.2° | cold |
| NovemberNov | 8.8° | 7.9° | 10.2° | cold |
| DecemberDec | 5.4° | 3.6° | 6.7° | cold |
Sunshine hours in Roskilde
Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.
In October, the sun shines for about 3.6 of 10.6 hours of daylight in Roskilde, 34 % of the day.
Sunshine hours: estimated from radiation data (ERA5, 1996–2025) and calibrated against measured station values; no weather station is close enough here. Daylight is the time from sunrise to sunset on the 15th of the month.
UV index in Roskilde
How strong the sun is at noon, month by month, and how quickly unprotected skin burns.
- Clear-sky UV in October
- 1 · lowLittle protection needed; sunglasses on bright days.
The sun is strongest in June (UV 7).
Minutes until sunburn in October
- Very fair skin
- about 100 min
- Fair skin
- over 2 h
- Light brown skin
- over 2 h
- Olive skin
- over 2 h
Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, water, sand and snow shorten it. Sunscreen extends the time only partly.
Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.
Rain in Roskilde: rainy days and rainfall
A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.
In October, Roskilde has about 12 rainy days with 60 mm of rain in total.
Wind and clouds in Roskilde
How breezy and how cloudy Roskilde is through the year. Tap a month to select it on the whole page.
Wind
Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.
In October, the wind in Roskilde typically peaks at 23 km/h during the day: Beaufort 4, moderate breeze.
Breezy months for windsurfing and kiting
From Beaufort 4 (20 km/h) the daily breeze is usually enough for windsurfing and often for kiting, and here it gets there all year.
Clouds
Average share of the sky covered by cloud, day and night.
In October, cloud covers on average 71 % of the sky over Roskilde: mostly cloudy, with about 3.6 hours of sunshine a day.
Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.
Snow in Roskilde
Snow is possible in Roskilde, but no month makes it likely: the chance of seeing snow during a week's stay, the days with fresh snow and how much falls. Tap a month to select it.
Snow calendar
- hardly any
- possible
- likely
- very likely
In October, it hardly ever snows in Roskilde.
Snow days bring at least 1 cm of fresh snow. Fresh snow comes from ERA5 snowfall (1996–2025) at the height of the place, not on the slopes above it; the snow chance also weighs whether the snow settles. An estimate from climate averages, not a snow report.
Climate through the year
Long-term monthly averages. Tap a month to see its details.
Nights and sleep in Roskilde
How warm the nights get in each month, from the mean night-time low. Tap a month for details.
- Frost below 0°
- Cold 0–8°
- Cool 8–15°
CoolOctober: nights around 8°. A duvet at night and a jumper for the evening.
The coolest nights are in January (−1°), the warmest in August (14°). Nights fall below 8 °C on average from November to April, so the room should be heated.
Temperatures through the year
Average daytime high, night-time low and sea temperature per month.
| Month | Score | Day | Night | Sea | Sun | Rain days | Rain mm |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 9 | 3° | −1° | 3.4° | 1.6 h | 11 | 49 |
| FebruaryFeb | 12 | 4° | −1° | 2.5° | 2.5 h | 10 | 42 |
| MarchMar | 17 | 7° | 0° | 3.3° | 4.5 h | 10 | 43 |
| AprilApr | 26 | 11° | 3° | 5.9° | 7.0 h | 9 | 41 |
| MayMay | 27 | 16° | 8° | 10.3° | 8.4 h | 12 | 63 |
| JuneJun | 28 | 19° | 11° | 14.7° | 8.6 h | 12 | 71 |
| JulyJul | 39 | 21° | 14° | 17.3° | 8.5 h | 13 | 83 |
| AugustAug | 38 | 21° | 14° | 18.0° | 7.5 h | 12 | 78 |
| SeptemberSep | 21 | 17° | 11° | 15.8° | 5.7 h | 10 | 53 |
| OctoberOct | 11 | 12° | 8° | 12.2° | 3.6 h | 12 | 60 |
| NovemberNov | 11 | 7° | 4° | 8.8° | 1.8 h | 10 | 44 |
| DecemberDec | 10 | 4° | 1° | 5.4° | 1.2 h | 11 | 48 |
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences
55.64° N, 12.08° E · 41 m · Europe/Copenhagen
Best time to visit Roskilde
The best time to visit Roskilde is from July to August. The sea stays too cool for a classic beach holiday: even in August it only reaches 18.0 °C. For sightseeing, day trips and hiking, conditions are most comfortable from May to June and in September. Rain is most frequent from July to August; the wettest month is July with 83 mm.
Roskilde through the seasons
How the weather changes over the seasons, with averages for each.
Roskilde in spring
Mar – May
Poor
- 7–16 °C by day
- Sea 7 °C
- 7 h of sun a day
- 31 rainy days in all
Roskilde in summer
Jun – Aug
Poor
- 19–21 °C by day
- Sea 17 °C
- 8 h of sun a day
- 37 rainy days in all
Roskilde in autumn
Sep – Nov
Poor
- 7–17 °C by day
- Sea 12 °C
- 4 h of sun a day
- 32 rainy days in all
Roskilde in winter
Dec – Feb
Poor
- 3–4 °C by day
- Sea 4 °C
- 2 h of sun a day
- 32 rainy days in all
Find your perfect month
Tell us what you like and we rate every month in Roskilde for you.
Your best months: June – August
Based on the climate averages; tap a month to see its details.
Compare two months in Roskilde
Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.
July has the better holiday weather in Roskilde: score 39 against 11. In July, days are 9 °C warmer than in October. The sea is 5 °C warmer in July. July has one more rainy day. The sun shines 5 hours longer a day in July.
| Month | October | July |
|---|---|---|
| Weather score | 11 | 39better |
| Day high | 12° | 21° |
| Night low | 8° | 14° |
| Sea | 12.2° | 17.3° |
| Sunshine | 3.6 h | 8.5 hbetter |
| Rainy days | 12better | 13 |
| Rainfall | 60 mmbetter | 83 mm |
| Muggy days | 0better | 1 |
Based on the climate averages 1996–2025.
Which month for what?
Beach & swimming
No month
Sea from 21 °C, warm and mostly dry
Sightseeing & hiking
May – Jun, Sep
15–28 °C and not too much rain
Rainy months
Jul – Aug
12 or more rainy days
Snow
Dec – Feb
Snow on 2 or more days
Roskilde month by month
The typical weather for every month at a glance.
9January3° · Sea 3° · 2 h
In January, Roskilde is cold: daytime highs average 3 °C, and nights often drop below freezing (−1 °C). The sea averages 3.4 °C – swimming is only for the hardy. The sun is scarce, with only about 2 hours a day. Precipitation, often as snow, falls on about 11 days, totalling 49 mm. Snow falls on about 3 days. All in all, January is not an ideal month for a holiday in Roskilde.
Roskilde in January12February4° · Sea 3° · 3 h
In February, Roskilde is cold: daytime highs average 4 °C, and nights often drop below freezing (−1 °C). The sea averages 2.5 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. Precipitation, often as snow, falls on about 10 days, totalling 42 mm. Snow falls on about 3 days. All in all, February is not an ideal month for a holiday in Roskilde.
Roskilde in February17March7° · Sea 3° · 5 h
In March, Roskilde is cold: daytime highs average 7 °C, and nights cool down to about 0 °C. The sea averages 3.3 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 43 mm in total. Snow falls on about 2 days. All in all, March is not an ideal month for a holiday in Roskilde.
Roskilde in March26April11° · Sea 6° · 7 h
In April, Roskilde is cool: daytime highs average 11 °C, and nights cool down to about 3 °C. The sea averages 5.9 °C – swimming is only for the hardy. The sun shines for around 7 hours a day. Rain is frequent, with about 9 rainy days and 41 mm in total. All in all, April is not an ideal month for a holiday in Roskilde.
Roskilde in April27May16° · Sea 10° · 8 h
In May, Roskilde is cool: daytime highs average 16 °C, and nights cool down to about 8 °C. The sea averages 10.3 °C – swimming is only for the hardy. The sun shines for around 8 hours a day. Rain is frequent, with about 12 rainy days and 63 mm in total. All in all, May is not an ideal month for a holiday in Roskilde.
Roskilde in May28June19° · Sea 15° · 9 h
In June, Roskilde is mild: daytime highs average 19 °C, and nights cool down to about 11 °C. The sea averages 14.7 °C – swimming is only for the hardy. The sun shines for around 9 hours a day. Rain is frequent, with about 12 rainy days and 71 mm in total. All in all, June is not an ideal month for a holiday in Roskilde.
Roskilde in June39July21° · Sea 17° · 9 h
In July, Roskilde is warm: daytime highs average 21 °C, and nights cool down to about 14 °C. The sea averages 17.3 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 9 hours a day. Rain is frequent, with about 13 rainy days and 83 mm in total. All in all, July is not an ideal month for a holiday in Roskilde.
Roskilde in July38August21° · Sea 18° · 8 h
In August, Roskilde is mild: daytime highs average 21 °C, and nights cool down to about 14 °C. The sea averages 18.0 °C – bracing, so a wetsuit helps for longer swims. The sun shines for around 8 hours a day. Rain is frequent, with about 12 rainy days and 78 mm in total. All in all, August is not an ideal month for a holiday in Roskilde.
Roskilde in August21September17° · Sea 16° · 6 h
In September, Roskilde is mild: daytime highs average 17 °C, and nights cool down to about 11 °C. The sea averages 15.8 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 53 mm in total. All in all, September is not an ideal month for a holiday in Roskilde.
Roskilde in September11October12° · Sea 12° · 4 h
In October, Roskilde is cool: daytime highs average 12 °C, and nights cool down to about 8 °C. The sea averages 12.2 °C – swimming is only for the hardy. The sun is scarce, with only about 4 hours a day. Rain is frequent, with about 12 rainy days and 60 mm in total. All in all, October is not an ideal month for a holiday in Roskilde.
Roskilde in October11November7° · Sea 9° · 2 h
In November, Roskilde is cold: daytime highs average 7 °C, and nights cool down to about 4 °C. The sea averages 8.8 °C – swimming is only for the hardy. The sun is scarce, with only about 2 hours a day. Rain is frequent, with about 10 rainy days and 44 mm in total. All in all, November is not an ideal month for a holiday in Roskilde.
Roskilde in November10December4° · Sea 5° · 1 h
In December, Roskilde is cold: daytime highs average 4 °C, and nights cool down to about 1 °C. The sea averages 5.4 °C – swimming is only for the hardy. The sun is scarce, with only about 1 hours a day. Rain is frequent, with about 11 rainy days and 48 mm in total. Snow falls on about 2 days. All in all, December is not an ideal month for a holiday in Roskilde.
Roskilde in DecemberRoskilde compared
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Roskilde vs. Copenhagen
In October the holiday weather in Roskilde and Copenhagen is about equally good (score 11 vs. 9). During the day it is about as warm in Copenhagen as in Roskilde. The sea is about equally warm. Copenhagen gets one hour less sunshine a day.
| in October | Roskilde | Copenhagen |
|---|---|---|
| Holiday score | 11 | 9 |
| Daytime high | 12° | 12° |
| Sea | 12° | 12° |
| Sunshine | 4 h | 3 h |
| Rainy days | 12 | 12 |
| Best time | Jul – Aug | May – Sep |
Through the year
Denmark in October: the best places
In October, Roskilde ranks 5 of 19 destinations in this country.
- Odense13°12°39
- 2Aarhus12°12°35
- 3Copenhagen12°12°34
- 4Tønder13°33
- 5RoskildeThis page12°12°11
- 6Fredericia13°12°9
- 7Kolding13°12°9
- 8Sønderborg13°13°9
Planning a trip to Roskilde
Weather for your travel dates
Pick your arrival and length of stay, and we sum up the weather to expect.
Roskilde in the school holidays
How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.
Roskilde has its best school-holiday weather during the summer holidays (score 38) and its weakest during the Christmas holidays (score 10).
- 23
Easter holidays
Mar – Apr
Poor
- 10 °C by day
- Sea 5 °C
- 6.2 h of sun a day
- 9 rainy days a month
- 27
May half-term
May – Jun
Poor
- 16 °C by day
- Sea 11 °C
- 8.4 h of sun a day
- 12 rainy days a month
Good for: Sightseeing & walks
- 38
Summer holidays
Jul – Aug
PoorBest holidays
- 21 °C by day
- Sea 18 °C
- 7.9 h of sun a day
- 12 rainy days a month
Keep in mind: Frequent rain
- 11
October half-term
Oct
Poor
- 12 °C by day
- Sea 12 °C
- 3.6 h of sun a day
- 12 rainy days a month
- 10
Christmas holidays
Dec – Jan
Poor
- 4 °C by day
- Sea 4 °C
- 1.4 h of sun a day
- 11 rainy days a month
Keep in mind: Snow
Based on the climate averages 1996–2025.
Getting there
Flying from
- Nonstop flight
- about 1 h 40 min
- Distance
- 950 km
- Time zone
- UTC+2
- Jet lag
- Hardly any (under 3 h)
Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.
Frequently asked questions about Roskilde
When is the best time to visit Roskilde?
The best time to visit Roskilde is from July to August. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.
How warm is the sea in Roskilde?
The sea temperature in Roskilde ranges from 2.5 °C in February to 18.0 °C in August. Even at its warmest the sea stays below 20 °C, so swimming is bracing at best.
Can you swim in Roskilde in October?
Only if you don't mind cold water: in October the sea averages just 12.2 °C. Comfortable swimming temperatures are not reached at any time of year.
What is the warmest month in Roskilde?
July is the warmest month, with average highs of 21 °C and nights around 14 °C. January is the coolest month at 3 °C.
When does it rain most in Roskilde?
Rain is most frequent from July to August; the wettest month is July with 83 mm. The driest month is April with 41 mm.
How many hours of sunshine does Roskilde get?
Roskilde gets around 1,860 hours of sunshine a year. The sunniest month is June with 8.6 hours a day; in December there are 1.2 hours a day.
What time zone is Roskilde in?
Roskilde uses the time zone Europe/Copenhagen: UTC+1 in January and UTC+2 in July.
How long is the flight from London to Roskilde?
A nonstop flight from London to Roskilde takes about 1 h 40 min, for a straight-line distance of about 950 km.
Which school holidays are best for Roskilde?
Roskilde has its best school-holiday weather during the summer holidays (score 38) and its weakest during the Christmas holidays (score 10). Holiday ratings (0–100): Easter holidays 23, May half-term 27, Summer holidays 38, October half-term 11, Christmas holidays 10.
Near Roskilde
Other destinations close by.
Places with a climate like Roskilde
Destinations whose weather through the year is closest to Roskilde's – good alternatives.