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Average Weather in Bostānābād Iran

In Bostānābād, the summers are warm, arid, and clear and the winters are freezing, dry, windy, and partly cloudy. Over the course of the year, the temperature typically varies from 19°F to 87°F and is rarely below 9°F or above 94°F.

Based on the beach/pool score, the best time of year to visit Bostānābād for hot-weather activities is from early July to late August.

Climate Summary

very coldcoldcoolwarmhotwarmcoolcoldvery coldJanFebMarAprMayJunJulAugSepOctNovDec99%99%59%59%clearovercastprecipitation: 0.9 inprecipitation: 0.9 in0.1 in0.1 inmuggy: 0%muggy: 0%0%0%drydrybeach/pool score: 8.3beach/pool score: 8.30.00.0
Click on each chart for more information.

Temperature

The hot season lasts for 3.5 months, from June 4 to September 19, with an average daily high temperature above 77°F. The hottest day of the year is July 24, with an average high of 87°F and low of 64°F.

The cold season lasts for 3.5 months, from November 25 to March 9, with an average daily high temperature below 45°F. The coldest day of the year is January 23, with an average low of 19°F and high of 35°F.

Average High and Low Temperature

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 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

Average Hourly Temperature in BostānābādJanFebMarAprMayJunJulAugSepOctNovDec12 AM4 AM8 AM12 PM4 PM8 PM12 AMfreezingfreezingfreezingvery coldcoldcoldcoolcoolwarmhotvery coldfreezingcomfortable
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.

Kalida, Ohio, United States (6,182 miles away) is the far-away foreign place with temperatures most similar to Bostānābād (view comparison).

Clouds

In Bostānābād, 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 Bostānābād begins around May 25 and lasts for 4.5 months, ending around October 10. On August 6, the clearest day of the year, the sky is clear, mostly clear, or partly cloudy 99% of the time, and overcast or mostly cloudy 1% of the time.

The cloudier part of the year begins around October 10 and lasts for 7.5 months, ending around May 25. On March 19, the cloudiest day of the year, the sky is overcast or mostly cloudy 41% of the time, and clear, mostly clear, or partly cloudy 59% of the time.

Cloud Cover Categories

Cloud Cover Categories in BostānābādclearercloudiercloudierJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%Aug 699%Aug 699%Mar 1959%Mar 1959%May 2579%May 2579%Oct 1079%Oct 1079%clearmostly clearpartly 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.

Precipitation

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

The wetter season lasts 7.6 months, from October 12 to May 30, with a greater than 9% chance of a given day being a wet day. The chance of a wet day peaks at 16% on April 30.

The drier season lasts 4.4 months, from May 30 to October 12. The smallest chance of a wet day is 2% on August 10.

Among wet days, we distinguish between those that experience rain alone, snow alone, or a mixture of the two. Based on this categorization, the most common form of precipitation in Bostānābād changes throughout the year.

Rain alone is the most common for 9.7 months, from February 20 to December 11. The highest chance of a day with rain alone is 16% on April 30.

Snow alone is the most common for 2.3 months, from December 11 to February 20. The highest chance of a day with snow alone is 4% on January 27.

Daily Chance of Precipitation

Daily Chance of Precipitation in BostānābādsnowrainJanFebMarAprMayJunJulAugSepOctNovDec0%10%20%30%40%50%60%70%80%90%100%Apr 3016%Apr 3016%Aug 102%Aug 102%Feb 207%Feb 207%Dec 118%Dec 118%Oct 129%Oct 129%rainsnowmixed
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 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. Bostānābād experiences some seasonal variation in monthly rainfall.

The rainy period of the year lasts for 8.2 months, from March 20 to November 28, with a sliding 31-day rainfall of at least 0.5 inches. The most rain falls during the 31 days centered around April 26, with an average total accumulation of 0.9 inches.

The rainless period of the year lasts for 3.8 months, from November 28 to March 20. The least rain falls around January 10, with an average total accumulation of 0.1 inches.

Average Monthly Rainfall

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 liquid-equivalent snowfall.

Snowfall

The sliding 31-day liquid-equivalent quantity of snowfall in Bostānābād does not vary significantly over the course of the year, staying within 0.1 inches of 0.1 inches throughout.

Average Liquid-Equivalent Monthly Snowfall

Average Liquid-Equivalent Monthly Snowfall in BostānābādsnowsnowJanFebMarAprMayJunJulAugSepOctNovDec0.0 in0.2 in0.4 in0.6 in0.8 in1.0 inDec 30.2 inDec 30.2 inJul 220.0 inJul 220.0 inFeb 260.2 inFeb 260.2 inJan 20.2 inJan 20.2 in
The average liquid-equivalent 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.

Sun

The length of the day in Bostānābād varies significantly over the course of the year. In 2018, the shortest day is December 22, with 9 hours, 32 minutes of daylight; the longest day is June 21, with 14 hours, 47 minutes of daylight.

Hours of Daylight and Twilight

Hours of Daylight and Twilight in BostānābādJanFebMarAprMayJunJulAugSepOctNovDec0 hr24 hr4 hr20 hr8 hr16 hr12 hr12 hr16 hr8 hr20 hr4 hr24 hr0 hr12 hr, 8 minMar 2012 hr, 8 minMar 2014 hr, 47 minJun 2114 hr, 47 minJun 2112 hr, 10 minSep 2312 hr, 10 minSep 239 hr, 32 minDec 229 hr, 32 minDec 22nightnightday
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 earliest sunrise is at 5:59 AM on June 14, and the latest sunrise is 1 hour, 39 minutes later at 7:38 AM on January 5. The earliest sunset is at 5:03 PM on December 7, and the latest sunset is 3 hours, 46 minutes later at 8:48 PM on June 28.

Daylight saving time (DST) is observed in Bostānābād during 2018, starting in the spring on March 22, lasting 6.0 months, and ending in the fall on September 21.

Sunrise & Sunset with Twilight and Daylight Saving Time

Sunrise & Sunset with Twilight and Daylight Saving Time in BostānābādJanFebMarAprMayJunJulAugSepOctNovDec2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AMJun 145:59 AMJun 145:59 AM8:48 PMJun 288:48 PMJun 28Dec 75:03 PMDec 75:03 PM7:38 AMJan 57:38 AMJan 5Mar 22DSTMar 22DSTDSTSep 21DSTSep 21daynightnightnightnightSolarMidnightSolarMidnightSolarNoonSunriseSunset
The solar day over the course of the year 2018. 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 transitions to and from daylight saving time are indicated by the 'DST' labels.

Humidity

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 Bostānābād, 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, remaining a virtually constant 0% throughout.

Humidity Comfort Levels

Humidity Comfort Levels in BostānābādJanFebMarAprMayJunJulAugSepOctNovDec0%10%20%30%40%50%60%70%80%90%100%Jan 270%Jan 270%Jul 290%Jul 290%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.

Wind

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

The windier part of the year lasts for 4.5 months, from December 22 to May 6, with average wind speeds of more than 9.5 miles per hour. The windiest day of the year is February 7, with an average hourly wind speed of 10.8 miles per hour.

The calmer time of year lasts for 7.5 months, from May 6 to December 22. The calmest day of the year is September 28, with an average hourly wind speed of 8.2 miles per hour.

Average Wind Speed

Average Wind Speed in BostānābādwindyJanFebMarAprMayJunJulAugSepOctNovDec0 mph2 mph4 mph6 mph8 mph10 mph12 mph14 mph16 mph18 mph20 mphFeb 710.8 mphFeb 710.8 mphSep 288.2 mphSep 288.2 mphDec 229.5 mphDec 229.5 mphMay 69.5 mphMay 69.5 mph
The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.

The predominant average hourly wind direction in Bostānābād varies throughout the year.

The wind is most often from the east for 3.8 months, from June 5 to September 30, with a peak percentage of 71% on July 26. The wind is most often from the west for 8.2 months, from September 30 to June 5, with a peak percentage of 48% on January 1.

Wind Direction

Wind Direction in BostānābādWEWJanFebMarAprMayJunJulAugSepOctNovDec0%100%20%80%40%60%60%40%80%20%100%0%westeastsouthnorth
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).

Best Time of Year to Visit

To characterize how pleasant the weather is in Bostānābād 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 time of year to visit Bostānābād for general outdoor tourist activities is from early June to late September, with a peak score in the last week of June.

Tourism Score

Tourism Score in Bostānābādbest timeJanFebMarAprMayJunJulAugSepOctNovDec02468108.88.80.00.08.88.8 precipitationprecipitationcloudscloudstemperaturetemperaturetourism 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 time of year to visit Bostānābād for hot-weather activities is from early July to late August, with a peak score in the last week of July.

Beach/Pool Score

Beach/Pool Score in Bostānābādbest timeJanFebMarAprMayJunJulAugSepOctNovDec02468108.38.30.00.0 precipitationprecipitationcloudscloudstemperaturetemperaturebeach/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.

Growing Season

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 Bostānābād typically lasts for 6.8 months (207 days), from around April 11 to around November 4, rarely starting before March 24 or after May 2, and rarely ending before October 17 or after November 23.

Time Spent in Various Temperature Bands and the Growing Season

Time Spent in Various Temperature Bands and the Growing Season in Bostānābādgrowing seasonJanFebMarAprMayJunJulAugSepOctNovDec0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%50%Apr 1150%Apr 1150%Nov 450%Nov 490%May 290%May 290%Oct 1790%Oct 1710%Mar 2410%Mar 2410%Nov 2310%Nov 230%Dec 250%Dec 25Jul 24100%Jul 24100%frigidfreezingvery coldcoolcomfortablewarmcoldhot
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.

Based on growing degree days alone, the first spring blooms in Bostānābād should appear around April 22, only rarely appearing before April 6 or after May 6.

Growing Degree Days

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

Solar Energy

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 extreme seasonal variation over the course of the year.

The brighter period of the year lasts for 3.2 months, from May 16 to August 23, with an average daily incident shortwave energy per square meter above 7.3 kWh. The brightest day of the year is June 18, with an average of 8.5 kWh.

The darker period of the year lasts for 3.5 months, from October 30 to February 14, with an average daily incident shortwave energy per square meter below 3.8 kWh. The darkest day of the year is December 22, with an average of 2.6 kWh.

Average Daily Incident Shortwave Solar Energy

Average Daily Incident Shortwave Solar Energy in BostānābādbrightdarkdarkJanFebMarAprMayJunJulAugSepOctNovDec0 kWh1 kWh2 kWh3 kWh4 kWh5 kWh6 kWh7 kWh8 kWh9 kWh10 kWhJun 188.5 kWhJun 188.5 kWhDec 222.6 kWhDec 222.6 kWhAug 237.3 kWhAug 237.3 kWhOct 303.8 kWhOct 303.8 kWhFeb 143.8 kWhFeb 143.8 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.

Topography

For the purposes of this report, the geographical coordinates of Bostānābād are 37.846 deg latitude, 46.835 deg longitude, and 5,863 ft elevation.

The topography within 2 miles of Bostānābād contains very significant variations in elevation, with a maximum elevation change of 988 feet and an average elevation above sea level of 5,863 feet. Within 10 miles contains very significant variations in elevation (2,776 feet). Within 50 miles contains large variations in elevation (8,970 feet).

The area within 2 miles of Bostānābād is covered by shrubs (55%), sparse vegetation (22%), and cropland (16%), within 10 miles by shrubs (66%) and sparse vegetation (20%), and within 50 miles by shrubs (68%) and sparse vegetation (11%).

Data Sources

This report illustrates the typical weather in Bostānābād, 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 2 weather stations near enough to contribute to our estimation of the temperature and dew point in Bostānābād.

For each station, the records are corrected for the elevation difference between that station and Bostānābād 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 Bostānābād is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Bostānābād and a given station.

The stations contributing to this reconstruction are: Tabriz International Airport (55%, 62 kilometers, northwest) and Sahand Airport (45%, 81 kilometers, southwest).

Other Data

All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Tables of the Sun, Moon and Planets , 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 aiports 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.