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Climate and Average Weather Year Round in Suriname Suriname

The climate in Suriname is hot, oppressive, and mostly cloudy. Over the course of the year, the temperature typically varies from 75°F to 91°F and is rarely below 73°F or above 94°F.

Based on the beach/pool score, the best times of year to visit Suriname for hot-weather activities are from early July to early November and from late December to early April.

Climate in Suriname

hotJanFebMarAprMayJunJulAugSepOctNovDecNowNow53%53%26%26%overcastclearprecipitation: 10.1 inprecipitation: 10.1 in1.3 in1.3 inmuggy: 100%muggy: 100%99%99%beach/pool score: 5.9beach/pool score: 5.94.14.1
Suriname weather by month. Click on each chart for more information.

The temperature in Suriname varies so little throughout the year that it is not entirely meaningful to discuss hot and cold seasons.

Average High and Low Temperature in Suriname

Average High and Low Temperature in SurinameJanFebMarAprMayJunJulAugSepOctNovDec0°F0°F10°F10°F20°F20°F30°F30°F40°F40°F50°F50°F60°F60°F70°F70°F80°F80°F90°F90°F100°F100°FJan 3185°FJan 3185°FSep 3091°FSep 3091°F75°F75°F76°F76°FAug 2990°FAug 2990°FNov 590°FNov 590°FDec 1586°FDec 1586°FMar 1386°FMar 1386°F76°F76°F76°F76°F75°F75°F75°F75°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.
AverageJanFebMarAprMayJunJulAugSepOctNovDec
High85°F85°F86°F86°F86°F86°F87°F89°F90°F90°F89°F86°F
Temp.79°F80°F80°F81°F80°F80°F80°F81°F82°F83°F82°F80°F
Low75°F75°F75°F76°F76°F75°F75°F76°F76°F76°F76°F75°F

The figure below shows you a compact characterization of the entire year of hourly average temperatures. The horizontal axis is the day of the year, 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 Suriname

Average Hourly Temperature in SurinameJanFebMarAprMayJunJulAugSepOctNovDec12 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 AMNowNowwarmhothot
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.
Map
Marker
© Esri, et al.

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In Suriname, the average percentage of the sky covered by clouds experiences significant seasonal variation over the course of the year.

The clearer part of the year in Suriname begins around June 23 and lasts for 3.6 months, ending around October 11.

The clearest month of the year in Suriname is August, during which on average the sky is clear, mostly clear, or partly cloudy 53% of the time.

The cloudier part of the year begins around October 11 and lasts for 8.4 months, ending around June 23.

The cloudiest month of the year in Suriname is May, during which on average the sky is overcast or mostly cloudy 73% of the time.

Cloud Cover Categories in Suriname

Cloud Cover Categories in SurinameclearercloudiercloudierJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%Aug 1953%Aug 1953%Apr 2326%Apr 2326%Jun 2339%Jun 2339%Oct 1140%Oct 1140%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.
FractionJanFebMarAprMayJunJulAugSepOctNovDec
Cloudier68%68%71%73%73%64%51%47%53%62%68%69%
Clearer32%32%29%27%27%36%49%53%47%38%32%31%

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The chance of wet days in Suriname varies very significantly throughout the year.

The wetter season lasts 7.8 months, from December 10 to August 4, with a greater than 56% chance of a given day being a wet day. The month with the most wet days in Suriname is June, with an average of 25.5 days with at least 0.04 inches of precipitation.

The drier season lasts 4.2 months, from August 4 to December 10. The month with the fewest wet days in Suriname is October, with an average of 8.0 days with at least 0.04 inches of precipitation.

Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. The month with the most days of rain alone in Suriname is June, with an average of 25.5 days. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 87% on June 7.

Daily Chance of Precipitation in Suriname

Daily Chance of Precipitation in SurinamewetwetdryJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%Jun 787%Jun 787%Sep 1625%Sep 1625%Jan 154%Jan 154%Aug 456%Aug 456%NowNowrain
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).
Days ofJanFebMarAprMayJunJulAugSepOctNovDec
Rain15.0d11.4d12.8d17.5d25.0d25.5d21.8d13.8d7.9d8.0d11.6d17.2d

To show variation within the months and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day of the year. Suriname experiences extreme seasonal variation in monthly rainfall.

Rain falls throughout the year in Suriname. The month with the most rain in Suriname is May, with an average rainfall of 9.8 inches.

The month with the least rain in Suriname is October, with an average rainfall of 1.4 inches.

Average Monthly Rainfall in Suriname

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.
JanFebMarAprMayJunJulAugSepOctNovDec
Rainfall4.9″4.3″4.1″6.4″9.8″9.0″5.6″3.0″1.5″1.4″2.5″4.7″

The length of the day in Suriname does not vary substantially over the course of the year, staying within 21 minutes of 12 hours throughout. In 2021, the shortest day is December 21, with 11 hours, 54 minutes of daylight; the longest day is June 21, with 12 hours, 21 minutes of daylight.

Hours of Daylight and Twilight in Suriname

Hours of Daylight and Twilight in SurinameJanFebMarAprMayJunJulAugSepOctNovDec0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hr12 hr, 6 minMar 2012 hr, 6 minMar 2012 hr, 21 minJun 2112 hr, 21 minJun 2112 hr, 7 minSep 2212 hr, 7 minSep 2211 hr, 54 minDec 2111 hr, 54 minDec 21nightnightdayNowNow
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.
Hours ofJanFebMarAprMayJunJulAugSepOctNovDec
Daylight11.9h12.0h12.1h12.2h12.3h12.4h12.3h12.2h12.1h12.0h11.9h11.9h

The earliest sunrise is at 6:28 AM on October 27, and the latest sunrise is 31 minutes later at 6:59 AM on February 4. The earliest sunset is at 6:26 PM on November 8, and the latest sunset is 34 minutes later at 6:59 PM on July 18.

Daylight saving time (DST) is not observed in Suriname during 2021.

Sunrise & Sunset with Twilight in Suriname

Sunrise & Sunset with Twilight in SurinameJanFebMarAprMayJunJulAugSepOctNovDec2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMOct 276:28 AMOct 276:28 AM6:59 PMJul 186:59 PMJul 18Nov 86:26 PMNov 86:26 PM6:59 AMFeb 46:59 AMFeb 4daynightnightSolarMidnightSolarMidnightSolarNoonSunriseSunset
The solar day over the course of the year 2021. 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 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.

Moon Rise, Set & Phases in Suriname

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.

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 perceived humidity level in Suriname, as measured by the percentage of time in which the humidity comfort level is muggy, oppressive, or miserable, does not vary significantly over the course of the year, staying within 1% of 99% throughout.

Humidity Comfort Levels in Suriname

Humidity Comfort Levels in SurinameJanFebMarAprMayJunJulAugSepOctNovDec0%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%Feb 2199%Feb 2199%100%Jun 2100%Jun 2NowNowmiserablemiserableoppressiveoppressivemuggymuggy
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.
JanFebMarAprMayJunJulAugSepOctNovDec
Muggy days30.8d27.6d30.8d29.9d31.0d30.0d31.0d31.0d29.9d30.9d30.0d31.0d

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 Suriname experiences mild seasonal variation over the course of the year.

The windier part of the year lasts for 7.2 months, from October 8 to May 16, with average wind speeds of more than 5.2 miles per hour. The windiest month of the year in Suriname is February, with an average hourly wind speed of 6.2 miles per hour.

The calmer time of year lasts for 4.8 months, from May 16 to October 8. The calmest month of the year in Suriname is July, with an average hourly wind speed of 4.2 miles per hour.

Average Wind Speed in Suriname

Average Wind Speed in SurinamewindywindyJanFebMarAprMayJunJulAugSepOctNovDec0 mph0 mph1 mph1 mph2 mph2 mph3 mph3 mph4 mph4 mph5 mph5 mph6 mph6 mph7 mph7 mphFeb 196.3 mphFeb 196.3 mphJul 194.1 mphJul 194.1 mphOct 85.2 mphOct 85.2 mphMay 165.2 mphMay 165.2 mphNowNow
The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.
JanFebMarAprMayJunJulAugSepOctNovDec
Wind Speed (mph)6.06.26.25.95.24.64.24.34.85.35.45.7

The predominant average hourly wind direction in Suriname is from the east throughout the year.

Wind Direction in Suriname

Wind Direction in SurinameJanFebMarAprMayJunJulAugSepOctNovDec0%100%20%80%40%60%60%40%80%20%100%0%NowNoweast
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).

Suriname 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 water temperature does not vary significantly over the course of the year, remaining within 2°F of 81°F throughout.

Average Water Temperature in Suriname

Average Water Temperature in SurinameJanFebMarAprMayJunJulAugSepOctNovDec77°F77°F78°F78°F79°F79°F80°F80°F81°F81°F82°F82°F83°F83°F84°F84°F85°F85°FAug 2283°FAug 2283°F79°FFeb 1579°FFeb 15Jul 1582°FJul 1582°FOct 3182°FOct 3182°FDec 2780°FDec 2780°FApr 280°FApr 280°FNowNow
The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands.
WaterJanFebMarAprMayJunJulAugSepOctNovDec
Temperature79°F79°F79°F80°F80°F81°F82°F83°F83°F82°F81°F80°F

To characterize how pleasant the weather is in Suriname throughout the year, we compute two travel scores.

The tourism score favors clear, rainless days with perceived temperatures between 65°F and 80°F. Based on this score, the best times of year to visit Suriname for general outdoor tourist activities are from late July to late September and from late December to mid March, with a peak score in the first week of February.

Tourism Score in Suriname

Tourism Score in Surinamebest timebest timeJanFebMarAprMayJunJulAugSepOctNovDec002244668810104.04.02.62.6NowNowprecipitationprecipitationcloudscloudstemperaturetemperaturetourism score
The tourism score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

The beach/pool score favors clear, rainless days with perceived temperatures between 75°F and 90°F. Based on this score, the best times of year to visit Suriname for hot-weather activities are from early July to early November and from late December to early April, with a peak score in the last week of August.

Beach/Pool Score in Suriname

Beach/Pool Score in Surinamebest timebest timeJanFebMarAprMayJunJulAugSepOctNovDec002244668810105.95.94.14.1NowNowprecipitationprecipitationtemperaturetemperature beach/pool score
The beach/pool score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

Methodology

For each hour between 8:00 AM and 9:00 PM of each day in the analysis period (1980 to 2016), independent scores are computed for perceived temperature, cloud cover, and total precipitation. Those scores are combined into a single hourly composite score, which is then aggregated into days, averaged over all the years in the analysis period, and smoothed.

Our cloud cover score is 10 for fully clear skies, falling linearly to 9 for mostly clear skies, and to 1 for fully overcast skies.

Our precipitation score, which is based on the three-hour precipitation centered on the hour in question, is 10 for no precipitation, falling linearly to 9 for trace precipitation, and to 0 for 0.04 inches of precipitation or more.

Our tourism temperature score is 0 for perceived temperatures below 50°F, rising linearly to 9 for 65°F, to 10 for 75°F, falling linearly to 9 for 80°F, and to 1 for 90°F or hotter.

Our beach/pool temperature score is 0 for perceived temperatures below 65°F, rising linearly to 9 for 75°F, to 10 for 82°F, falling linearly to 9 for 90°F, and to 1 for 100°F or hotter.

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).

Temperatures in Suriname are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year.

Time Spent in Various Temperature Bands and the Growing Season in Suriname

Time Spent in Various Temperature Bands and the Growing Season in SurinameJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%100%Jan 1100%Jan 1100%Jul 3100%Jul 3NowNowwarmhotcomfortable
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.

Growing Degree Days in Suriname

Growing Degree Days in SurinameJanFebMarAprMayJunJulAugSepOctNovDec0°F0°F2,000°F2,000°F4,000°F4,000°F6,000°F6,000°F8,000°F8,000°F10,000°F10,000°FJan 390°FJan 390°FDec 3111,074°FDec 3111,074°FNowNow
The average growing degree days accumulated over the course of the year, 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 experiences some seasonal variation over the course of the year.

The brighter period of the year lasts for 2.0 months, from August 16 to October 14, with an average daily incident shortwave energy per square meter above 6.1 kWh. The brightest month of the year in Suriname is September, with an average of 6.4 kWh.

The darker period of the year lasts for 1.4 months, from May 16 to June 28, with an average daily incident shortwave energy per square meter below 5.1 kWh. The darkest month of the year in Suriname is June, with an average of 4.9 kWh.

Average Daily Incident Shortwave Solar Energy in Suriname

Average Daily Incident Shortwave Solar Energy in SurinamebrightdarkJanFebMarAprMayJunJulAugSepOctNovDec0 kWh0 kWh1 kWh1 kWh2 kWh2 kWh3 kWh3 kWh4 kWh4 kWh5 kWh5 kWh6 kWh6 kWh7 kWh7 kWh8 kWh8 kWhSep 146.4 kWhSep 146.4 kWhJun 74.7 kWhJun 74.7 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.
JanFebMarAprMayJunJulAugSepOctNovDec
Solar Energy (kWh)5.55.86.15.85.14.95.56.16.46.15.65.3

For the purposes of this report, the geographical coordinates of Suriname are 4.000 deg latitude, -56.000 deg longitude, and 0 ft elevation.

The topography within 2 miles of Suriname is essentially flat, with a maximum elevation change of 0 feet and an average elevation above sea level of 0 feet. Within 10 miles is also essentially flat (0 feet). Within 50 miles is also essentially flat (0 feet).

The area within 2 miles of Suriname is covered by trees (99%), within 10 miles by trees (99%), and within 50 miles by trees (98%).

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

The details of the data sources used for this report can be found on the Zorg en Hoop Airport page.

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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