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January Weather in Södertälje Sweden

Daily high temperatures are around 31°F, rarely falling below 17°F or exceeding 42°F. The lowest daily average high temperature is 30°F on January 16.

Daily low temperatures are around 22°F, rarely falling below 3°F or exceeding 36°F.

For reference, on July 21, the hottest day of the year, temperatures in Södertälje typically range from 53°F to 71°F, while on February 9, the coldest day of the year, they range from 20°F to 31°F.

Average High and Low Temperature in January in Södertälje

Average High and Low Temperature in January in Södertälje1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310°F0°F5°F5°F10°F10°F15°F15°F20°F20°F25°F25°F30°F30°F35°F35°F40°F40°F45°F45°FDecFebJan 1630°FJan 1630°F21°F21°FJan 131°FJan 131°F23°F23°FJan 3131°FJan 3131°F21°F21°F
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 January. 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 January in Södertälje

Average Hourly Temperature in January in Södertälje18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 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 AMDecFebfreezingvery coldvery cold
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.

Haines, Alaska, United States (4,129 miles away) and Upper Bear Creek, Colorado, United States (4,881 miles) are the far-away foreign places with temperatures most similar to Södertälje (view comparison).

Map
Marker
© Esri, et al.

Compare Södertälje to another city:

Map

The month of January in Södertälje experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 72% throughout the month.

The clearest day of the month is January 3, with clear, mostly clear, or partly cloudy conditions 29% of the time.

For reference, on November 27, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 75%, while on July 11, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 57%.

Cloud Cover Categories in January in Södertälje

Cloud Cover Categories in January in Södertälje1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%DecFebJan 128%Jan 128%Jan 3127%Jan 3127%Jan 1128%Jan 1128%Jan 2127%Jan 2127%clearmostly 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. In Södertälje, the chance of a wet day over the course of January is gradually decreasing, starting the month at 23% and ending it at 19%.

For reference, the year's highest daily chance of a wet day is 29% on November 13, and its lowest chance is 17% on March 11.

Over the course of January in Södertälje, the chance of a day with only rain decreases from 13% to 8%, the chance of a day with mixed snow and rain remains an essentially constant 4% throughout, and the chance of a day with only snow remains an essentially constant 6% throughout.

Probability of Precipitation in January in Södertälje

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 January in Södertälje is essentially constant, remaining about 0.6 inches throughout, and rarely exceeding 1.6 inches.

Average Monthly Rainfall in January in Södertälje

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.

Snowfall

As with rainfall, we consider the snowfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day snowfall during January in Södertälje is gradually increasing, starting the month at 3.9 inches, when it rarely exceeds 8.6 inches or falls below 0.7 inches, and ending the month at 4.2 inches, when it rarely exceeds 8.6 inches or falls below 0.6 inches.

Average Monthly Snowfall in January in Södertälje

The average snowfall (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 rainfall.

Over the course of January in Södertälje, the length of the day is rapidly increasing. From the start to the end of the month, the length of the day increases by 1 hour, 47 minutes, implying an average daily increase of 3 minutes, 34 seconds, and weekly increase of 25 minutes, 1 second.

The shortest day of the month is January 1, with 6 hours, 18 minutes of daylight and the longest day is January 31, with 8 hours, 5 minutes of daylight.

Hours of Daylight and Twilight in January in Södertälje

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 in Södertälje is 8:44 AM on January 1 and the earliest sunrise is 44 minutes earlier at 8:00 AM on January 31.

The earliest sunset is 3:02 PM on January 1 and the latest sunset is 1 hour, 4 minutes later at 4:05 PM on January 31.

Daylight saving time is observed in Södertälje during 2021, but it neither starts nor ends during January, so the entire month is in standard time.

For reference, on June 21, the longest day of the year, the Sun rises at 3:34 AM and sets 18 hours, 34 minutes later, at 10:08 PM, while on December 21, the shortest day of the year, it rises at 8:44 AM and sets 6 hours, 7 minutes later, at 2:51 PM.

Sunrise & Sunset with Twilight in January in Södertälje

The solar day over the course of January. 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 January 2021. 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 January in Södertälje

Moon Rise, Set & Phases in January in Södertälje18152229112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMDecFebDec 145:17 PMDec 145:17 PMDec 304:29 AMDec 304:29 AMJan 136:01 AMJan 136:01 AMJan 288:17 PMJan 288:17 PMFeb 118:06 PMFeb 118:06 PMFeb 279:18 AMFeb 279:18 AM8:19 AM8:19 AM2:32 PM2:32 PM2:02 PM2:02 PM9:27 AM9:27 AM9:22 AM9:22 AM3:12 PM3:12 PM3:00 PM3:00 PM9:05 AM9:05 AM8:15 AM8:15 AM3:41 PM3:41 PM3:33 PM3:33 PM7:38 AM7:38 AM
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.
Jan 2021IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
96%-10:41 AMNW5:22 PMNE1:28 AMS240,103 mi
2
91%-11:00 AMNW6:51 PMNE2:21 AMS238,028 mi
3
84%-11:13 AMWNW8:22 PMENE3:11 AMS236,075 mi
4
75%-11:23 AMWNW9:54 PMENE4:00 AMS234,252 mi
5
64%-11:30 AMW11:25 PME4:47 AMS232,568 mi
6
50%-11:38 AMW-5:35 AMS231,051 mi
7
41%12:58 AME11:46 AMWSW-6:24 AMS229,765 mi
8
29%2:32 AMESE11:56 AMWSW-7:15 AMS228,812 mi
9
19%4:10 AMSE12:09 PMSW-8:10 AMS228,322 mi
10
10%5:48 AMSE12:30 PMSW-9:09 AMS228,434 mi
11
4%7:19 AMSE1:04 PMSW-10:11 AMS229,255 mi
12
1%8:32 AMSE1:57 PMSW-11:15 AMS230,828 mi
13
0%9:22 AMSE3:12 PMSW-12:17 PMS233,101 mi
14
2%9:52 AMSE4:40 PMSW-1:16 PMS235,928 mi
15
7%10:11 AMSE6:09 PMSW-2:09 PMS239,084 mi
16
13%10:22 AMESE7:36 PMWSW-2:58 PMS242,305 mi
17
21%10:31 AMESE8:59 PMWSW-3:43 PMS245,323 mi
18
29%10:38 AME10:18 PMW-4:25 PMS247,893 mi
19
39%10:43 AME11:36 PMW-5:06 PMS249,818 mi
20
50%10:49 AMENE--5:46 PMS250,958 mi
21
58%-12:53 AMWNW10:56 AMENE6:27 PMS251,244 mi
22
67%-2:11 AMWNW11:04 AMENE7:09 PMS250,674 mi
23
76%-3:30 AMNW11:15 AMNE7:54 PMS249,317 mi
24
84%-4:50 AMNW11:32 AMNE8:42 PMS247,303 mi
25
91%-6:07 AMNW11:58 AMNE9:32 PMS244,812 mi
26
96%-7:15 AMNW12:40 PMNE10:25 PMS242,061 mi
27
99%-8:08 AMNW1:41 PMNE11:19 PMS239,277 mi
28
100%-8:43 AMNW3:00 PMNE--
29
100%-9:05 AMNW4:30 PMNE12:12 AMS236,673 mi
30
98%-9:20 AMWNW6:04 PMENE1:05 AMS234,415 mi
31
94%-9:31 AMWNW7:37 PMENE1:55 AMS232,611 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 in Södertälje is essentially constant during January, remaining around 0% throughout.

For reference, on August 1, 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 January in Södertälje

Humidity Comfort Levels in January in Södertälje1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%DecFebJan 10%Jan 10%Jan 310%Jan 310%Jan 110%Jan 110%Jan 210%Jan 210%drydry
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 in Södertälje is essentially constant during January, remaining within 0.2 miles per hour of 7.3 miles per hour throughout.

For reference, on January 2, the windiest day of the year, the daily average wind speed is 7.5 miles per hour, while on July 19, the calmest day of the year, the daily average wind speed is 5.7 miles per hour.

The highest daily average wind speed during January is 7.5 miles per hour on January 6.

Average Wind Speed in January in Södertälje

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 in Södertälje throughout January is predominantly from the west, with a peak proportion of 43% on January 3.

Wind Direction in January in Södertälje

Wind Direction in January in Södertälje1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%20%80%40%60%60%40%80%20%100%0%DecFebwestsouthnortheast
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).

Södertälje 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 in Södertälje is gradually decreasing during January, falling by 3°F, from 38°F to 35°F, over the course of the month.

Average Water Temperature in January in Södertälje

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 in Södertälje typically lasts for 4.5 months (136 days), from around May 18 to around October 1, rarely starting before April 30 or after June 5, and rarely ending before September 11 or after October 20.

The month of January in Södertälje is reliably fully outside of the growing season.

Time Spent in Various Temperature Bands and the Growing Season in January in Södertälje

Time Spent in Various Temperature Bands and the Growing Season in January in Södertälje1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%DecFeb0%Jan 160%Jan 160%Feb 190%Feb 19frigidfreezingvery coldcold
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 in Södertälje are essentially constant during January, remaining around 0°F throughout.

Growing Degree Days in January in Södertälje

Growing Degree Days in January in Södertälje1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310.0°F0.0°F0.1°F0.1°F0.2°F0.2°F0.3°F0.3°F0.4°F0.4°F0.5°F0.5°F0.6°F0.6°F0.7°F0.7°F0.8°F0.8°F0.9°F0.9°F1.0°F1.0°FDecFebJan 10°FJan 10°FJan 310°FJan 310°FJan 110°FJan 110°FJan 210°FJan 210°F
The average growing degree days accumulated over the course of January, 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 in Södertälje is essentially constant during January, remaining within 0.2 kWh of 0.4 kWh throughout.

Average Daily Incident Shortwave Solar Energy in January in Södertälje

Average Daily Incident Shortwave Solar Energy in January in Södertälje1815222911223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310.0 kWh0.0 kWh0.2 kWh0.2 kWh0.4 kWh0.4 kWh0.6 kWh0.6 kWh0.8 kWh0.8 kWh1.0 kWh1.0 kWh1.2 kWh1.2 kWh1.4 kWh1.4 kWh1.6 kWh1.6 kWh1.8 kWh1.8 kWh2.0 kWh2.0 kWh2.2 kWh2.2 kWh2.4 kWh2.4 kWhDecFebJan 10.2 kWhJan 10.2 kWhJan 310.6 kWhJan 310.6 kWhJan 110.3 kWhJan 110.3 kWhJan 210.4 kWhJan 210.4 kWh
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 Södertälje are 59.196 deg latitude, 17.625 deg longitude, and 95 ft elevation.

The topography within 2 miles of Södertälje contains only modest variations in elevation, with a maximum elevation change of 289 feet and an average elevation above sea level of 144 feet. Within 10 miles also contains only modest variations in elevation (348 feet). Within 50 miles also contains only modest variations in elevation (466 feet).

The area within 2 miles of Södertälje is covered by artificial surfaces (72%) and trees (22%), within 10 miles by trees (46%) and water (21%), and within 50 miles by water (38%) and trees (36%).

This report illustrates the typical weather in Södertälje, 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

There are 3 weather stations near enough to contribute to our estimation of the temperature and dew point in Södertälje.

For each station, the records are corrected for the elevation difference between that station and Södertälje according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.

The estimated value at Södertälje is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Södertälje and a given station.

The stations contributing to this reconstruction are:

To get a sense of how much these sources agree with each other, you can view a comparison of Södertälje and the stations that contribute to our estimates of its temperature history and climate. Please note that each source's contribution is adjusted for elevation and the relative change present in the MERRA-2 data.

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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