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May Weather at Stockholm Arlanda Airport Sweden

Daily high temperatures increase by 9°F, from 55°F to 64°F, rarely falling below 44°F or exceeding 75°F.

Daily low temperatures increase by 9°F, from 37°F to 46°F, rarely falling below 29°F or exceeding 53°F.

For reference, on July 22, the hottest day of the year, temperatures at Stockholm Arlanda Airport typically range from 55°F to 72°F, while on February 10, the coldest day of the year, they range from 21°F to 31°F.

Average High and Low Temperature in May at Stockholm Arlanda Airport

Average High and Low Temperature in May at Stockholm Arlanda AirportMay112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313120°F20°F25°F25°F30°F30°F35°F35°F40°F40°F45°F45°F50°F50°F55°F55°F60°F60°F65°F65°F70°F70°F75°F75°F80°F80°FAprJunMay 155°FMay 155°F37°F37°FMay 3164°FMay 3164°F46°F46°FMay 1159°FMay 1159°F40°F40°FMay 2162°FMay 2162°F43°F43°FNowNow
The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. The thin dotted lines are the corresponding average perceived temperatures.

The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on May. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

Average Hourly Temperature in May at Stockholm Arlanda Airport

Average Hourly Temperature in May at Stockholm Arlanda AirportMay112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMAprJunNowNowvery coldcoldcoolcoolcomfortablefreezing
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The average hourly temperature, color coded into bands. The shaded overlays indicate night and civil twilight.

Terrace, Canada (4,340 miles away); Revelstoke, Canada (4,413 miles); and Machias, Maine, United States (3,493 miles) are the far-away foreign places with temperatures most similar to Stockholm Arlanda Airport (view comparison).

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© Esri, et al.

Compare Stockholm Arlanda Airport to another city:

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The month of May at Stockholm Arlanda Airport experiences gradually decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 55% to 47%.

The clearest day of the month is May 22, with clear, mostly clear, or partly cloudy conditions 53% of the time.

For reference, on November 27, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 76%, while on July 7, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 57%.

Cloud Cover Categories in May at Stockholm Arlanda Airport

Cloud Cover Categories in May at Stockholm Arlanda AirportMay11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%AprJunMay 145%May 145%May 3153%May 3153%May 1149%May 1149%May 2153%May 2153%NowNowclearmostly clearpartly cloudymostly cloudyovercast
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. At Stockholm Arlanda Airport, the chance of a wet day over the course of May is gradually increasing, starting the month at 21% and ending it at 23%.

For reference, the year's highest daily chance of a wet day is 30% on August 13, and its lowest chance is 16% on March 11.

Over the course of May at Stockholm Arlanda Airport, the chance of a day with only rain increases from 20% to 23%, the chance of a day with mixed snow and rain remains an essentially constant 1% throughout, and the chance of a day with only snow remains an essentially constant 0% throughout.

Probability of Precipitation in May at Stockholm Arlanda Airport

Probability of Precipitation in May at Stockholm Arlanda AirportMay11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%5%5%10%10%15%15%20%20%25%25%30%30%AprJunMay 121%May 121%May 3123%May 3123%May 1122%May 1122%May 2121%May 2121%NowNowmixedrainsnow
The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day).

Rainfall

To show variation within the month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day rainfall during May at Stockholm Arlanda Airport is gradually increasing, starting the month at 1.4 inches, when it rarely exceeds 2.5 inches or falls below 0.5 inches, and ending the month at 1.8 inches, when it rarely exceeds 3.0 inches or falls below 0.6 inches.

Average Monthly Rainfall in May at Stockholm Arlanda Airport

The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The thin dotted line is the corresponding average snowfall.

Over the course of May at Stockholm Arlanda Airport, the length of the day is very rapidly increasing. From the start to the end of the month, the length of the day increases by 2 hours, 12 minutes, implying an average daily increase of 4 minutes, 25 seconds, and weekly increase of 30 minutes, 52 seconds.

The shortest day of the month is May 1, with 15 hours, 56 minutes of daylight and the longest day is May 31, with 18 hours, 8 minutes of daylight.

Hours of Daylight and Twilight in May at Stockholm Arlanda Airport

Hours of Daylight and Twilight in May at Stockholm Arlanda AirportMay11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hrAprJunnightnightdaydayMay 115 hr, 56 minMay 115 hr, 56 minMay 3118 hr, 8 minMay 3118 hr, 8 minMay 1617 hr, 9 minMay 1617 hr, 9 minNowNow
The number of hours during which the Sun is visible (black line). From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night.

The latest sunrise of the month at Stockholm Arlanda Airport is 4:48 AM on May 1 and the earliest sunrise is 1 hour, 6 minutes earlier at 3:42 AM on May 31.

The earliest sunset is 8:44 PM on May 1 and the latest sunset is 1 hour, 7 minutes later at 9:50 PM on May 31.

Daylight saving time is observed at Stockholm Arlanda Airport during 2022, but it neither starts nor ends during May, so the entire month is in daylight saving time.

For reference, on June 21, the longest day of the year, the Sun rises at 3:27 AM and sets 18 hours, 44 minutes later, at 10:12 PM, while on December 21, the shortest day of the year, it rises at 8:46 AM and sets 5 hours, 59 minutes later, at 2:45 PM.

Sunrise & Sunset with Twilight in May at Stockholm Arlanda Airport

The solar day over the course of May. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray.

The figure below presents a compact representation of key lunar data for May 2022. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.

Moon Rise, Set & Phases in May at Stockholm Arlanda Airport

Moon Rise, Set & Phases in May at Stockholm Arlanda AirportMay112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMAprJunApr 18:25 AMApr 18:25 AMApr 168:56 PMApr 168:56 PMApr 3010:29 PMApr 3010:29 PMMay 166:15 AMMay 166:15 AMMay 301:31 PMMay 301:31 PMJun 141:52 PMJun 141:52 PMJun 294:53 AMJun 294:53 AM6:47 AM6:47 AM7:46 PM7:46 PM7:43 PM7:43 PM5:55 AM5:55 AM5:04 AM5:04 AM8:19 PM8:19 PM8:30 PM8:30 PM4:16 AM4:16 AM3:31 AM3:31 AM10:23 PM10:23 PM11:07 PM11:07 PM2:48 AM2:48 AM11:25 PM11:25 PM
The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. The shaded overlays indicate night and civil twilight.
May 2022IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
0%5:07 AMENE9:47 PMNW-1:17 PMS247,538 mi
2
3%5:13 AMNE11:15 PMNW-2:03 PMS249,263 mi
3
7%5:22 AMNE--2:50 PMS250,640 mi
4
12%-12:41 AMNNW5:38 AMNNE3:38 PMS251,539 mi
5
20%-1:55 AMNNW6:08 AMNNE4:28 PMS251,832 mi
6
28%-2:49 AMNNW6:59 AMNNE5:18 PMS251,412 mi
7
37%-3:21 AMNNW8:12 AMNNE6:06 PMS250,212 mi
8
47%-3:39 AMNW9:36 AMNE6:54 PMS248,224 mi
9
50%-3:48 AMNW11:04 AMNE7:39 PMS245,504 mi
10
67%-3:54 AMWNW12:33 PMENE8:24 PMS242,181 mi
11
77%-3:58 AMWNW2:02 PMENE9:07 PMS238,458 mi
12
86%-4:00 AMW3:33 PME9:52 PMS234,601 mi
13
93%-4:03 AMW5:06 PME10:39 PMS230,926 mi
14
98%-4:06 AMWSW6:45 PMESE11:29 PMS227,765 mi
15
99%-4:10 AMWSW8:30 PMSE--
16
100%-4:16 AMSW10:20 PMSE12:24 AMS225,420 mi
17
99%-4:28 AMSW-1:24 AMS224,115 mi
18
95%12:08 AMSSE4:52 AMSSW-2:30 AMS223,953 mi
19
88%1:35 AMSSE5:43 AMSSW-3:39 AMS224,891 mi
20
79%2:24 AMSSE7:08 AMSSW-4:46 AMS226,755 mi
21
68%2:48 AMSE8:51 AMSW-5:49 AMS229,286 mi
22
50%2:59 AMSE10:34 AMSW-6:46 AMS232,204 mi
23
45%3:05 AMESE12:12 PMWSW-7:37 AMS235,261 mi
24
34%3:09 AMESE1:44 PMWSW-8:24 AMS238,265 mi
25
24%3:11 AME3:11 PMW-9:08 AMS241,088 mi
26
16%3:13 AME4:37 PMWNW-9:50 AMS243,655 mi
27
9%3:16 AMENE6:03 PMWNW-10:32 AMS245,930 mi
28
4%3:19 AMENE7:29 PMNW-11:15 AMS247,899 mi
29
1%3:23 AMNE8:57 PMNW-11:59 AMS249,552 mi
30
0%3:31 AMNE10:23 PMNW-12:45 PMS250,869 mi
31
1%3:44 AMNE11:43 PMNNW-1:33 PMS251,813 mi

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

The chance that a given day will be muggy at Stockholm Arlanda Airport is essentially constant during May, remaining around 0% throughout.

For reference, on July 31, the muggiest day of the year, there are muggy conditions 1% of the time, while on September 17, the least muggy day of the year, there are muggy conditions 0% of the time.

Humidity Comfort Levels in May at Stockholm Arlanda Airport

Humidity Comfort Levels in May at Stockholm Arlanda AirportMay11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%AprJunMay 10%May 10%May 310%May 310%May 110%May 110%May 210%May 210%drydrycomfortablecomfortable
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The percentage of time spent at various humidity comfort levels, categorized by dew point.

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed at Stockholm Arlanda Airport is essentially constant during May, remaining within 0.1 miles per hour of 5.5 miles per hour throughout.

For reference, on January 2, the windiest day of the year, the daily average wind speed is 6.4 miles per hour, while on July 19, the calmest day of the year, the daily average wind speed is 5.1 miles per hour.

Average Wind Speed in May at Stockholm Arlanda Airport

The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.

The hourly average wind direction at Stockholm Arlanda Airport throughout May is predominantly from the south, with a peak proportion of 33% on May 10.

Wind Direction in May at Stockholm Arlanda Airport

Wind Direction in May at Stockholm Arlanda AirportMay11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%20%80%40%60%60%40%80%20%100%0%AprJunNowNowwestsoutheastnorth
northeastsouthwest
The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than 1.0 mph. The lightly tinted areas at the boundaries are the percentage of hours spent in the implied intermediate directions (northeast, southeast, southwest, and northwest).

Stockholm Arlanda Airport is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.

The average surface water temperature at Stockholm Arlanda Airport is rapidly increasing during May, rising by 8°F, from 39°F to 47°F, over the course of the month.

Average Water Temperature in May at Stockholm Arlanda Airport

Average Water Temperature in May at Stockholm Arlanda AirportMay112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313130°F30°F35°F35°F40°F40°F45°F45°F50°F50°F55°F55°F60°F60°FAprJunMay 139°FMay 139°FMay 3147°FMay 3147°FMay 1141°FMay 1141°FMay 2144°FMay 2144°FNowNow
The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands.

Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

The growing season at Stockholm Arlanda Airport typically lasts for 5.0 months (154 days), from around May 7 to around October 8, rarely starting before April 17 or after May 26, and rarely ending before September 18 or after November 1.

During May at Stockholm Arlanda Airport, the chance that a given day is within the growing season is very rapidly increasing rising from 36% to 94% over the course of the month.

Time Spent in Various Temperature Bands and the Growing Season in May at Stockholm Arlanda Airport

Time Spent in Various Temperature Bands and the Growing Season in May at Stockholm Arlanda Airportgrowing seasonMay11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%AprJunMay 136%May 136%94%May 3194%May 3160%May 1160%May 1182%May 2182%May 21Apr 1710%Apr 1710%NowNowfreezingvery coldcoldcoolcomfortablewarm
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The percentage of time spent in various temperature bands. The black line is the percentage chance that a given day is within the growing season.

Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

The average accumulated growing degree days at Stockholm Arlanda Airport are gradually increasing during May, increasing by 141°F, from 36°F to 178°F, over the course of the month.

Growing Degree Days in May at Stockholm Arlanda Airport

The average growing degree days accumulated over the course of May, with 25th to 75th and 10th to 90th percentile bands.

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy at Stockholm Arlanda Airport is increasing during May, rising by 1.2 kWh, from 4.8 kWh to 6.0 kWh, over the course of the month.

Average Daily Incident Shortwave Solar Energy in May at Stockholm Arlanda Airport

Average Daily Incident Shortwave Solar Energy in May at Stockholm Arlanda AirportMay11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWhAprJunMay 14.8 kWhMay 14.8 kWhMay 316.0 kWhMay 316.0 kWhMay 115.3 kWhMay 115.3 kWhMay 215.8 kWhMay 215.8 kWhNowNow
The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands.

For the purposes of this report, the geographical coordinates of Stockholm Arlanda Airport are 59.652 deg latitude, 17.931 deg longitude, and 138 ft elevation.

The topography within 2 miles of Stockholm Arlanda Airport contains only modest variations in elevation, with a maximum elevation change of 180 feet and an average elevation above sea level of 127 feet. Within 10 miles also contains only modest variations in elevation (223 feet). Within 50 miles contains only modest variations in elevation (495 feet).

The area within 2 miles of Stockholm Arlanda Airport is covered by artificial surfaces (46%), trees (40%), and cropland (13%), within 10 miles by trees (45%) and cropland (40%), and within 50 miles by trees (46%) and water (26%).

This report illustrates the typical weather at Stockholm Arlanda Airport, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.

Temperature and Dew Point

Stockholm Arlanda Airport has a weather station that reported reliably enough during the analysis period that we have included it in our network. When available, historical temperature and dew point measurements are taken directly from this weather station. These records are obtained from NOAA's Integrated Surface Hourly data set, falling back on ICAO METAR records as required.

In the case of missing or erroneous measurements from this station, we fall back on records from nearby stations, adjusted according to typical seasonal and diurnal intra-station differences. For a given day of the year and hour of the day, the fallback station is selected to minimize the prediction error over the years for which there are measurements for both stations.

The stations on which we may fall back include but are not limited to Stockholm-Bromma Airport, Uppsala, Tullinge, Stockholm-Västerås Airport, Gavle-Sandviken Airport, Stockholm Skavsta Airport, Norrköping Airport, and Mariehamn Airport.

Other Data

All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus.

All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid.

Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations.

Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory.

Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database .

Time zones for airports and weather stations are provided by AskGeo.com .

Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC.

Disclaimer

The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site.

We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands.

We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader.

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