Erciş, Van, Turkey

Frost dates for Erciş

The full distribution rather than a single date. Every figure below is a percentile of 30 years of daily minimum temperatures at this location, expressed as the date it fell on.

Median last spring frost

17 April

Half of years are later than this. Not a planting date.

Median first autumn frost

2 November

The far end of the outdoor season.

Frost-free season

199 days

Between those two dates in a median year.

Last and first frost by severity

Read a row as: in this fraction of years, the last frost of spring had already happened by this date. The 90% column is the cautious planting date; the 10% column is the gamble.

Light frost — nights at or below 0°C (32°F). Air temperature reaches freezing. Kills basil, beans and unhardened tomatoes; hardy crops shrug it off.
Frost 1 year in 10 Median 9 years in 10 Earliest Latest
Last of spring 2 Apr 17 Apr 5 May 22 Mar 21 May
First of autumn 20 Oct 2 Nov 16 Nov 7 Oct 24 Nov
Frost-free days 229 199 167 every year on record saw this
Moderate frost — nights at or below -2.2°C (28°F). Damages half-hardy plants and most blossom. This is the threshold that decides a fruit crop.
Frost 1 year in 10 Median 9 years in 10 Earliest Latest
Last of spring 20 Mar 3 Apr 17 Apr 4 Mar 25 Apr
First of autumn 2 Nov 17 Nov 2 Dec 30 Oct 6 Dec
Frost-free days 258 228 199 every year on record saw this
Hard frost — nights at or below -4.4°C (24.1°F). Ground freezes and even hardy crops check their growth. Effectively the end of the outdoor year.
Frost 1 year in 10 Median 9 years in 10 Earliest Latest
Last of spring 1 Mar 26 Mar 12 Apr 3 Feb 25 Apr
First of autumn 11 Nov 3 Dec 17 Dec 3 Nov 26 Dec
Frost-free days 291 253 213 every year on record saw this

Dates in the southern hemisphere are computed on a growing year that starts in July, which is why "last of spring" falls where it should rather than in the middle of the calendar.

Chance of frost, week by week

Jan Mar Apr Jul Sep Oct Dec
Chance of at least one air frost during each week of the year, measured across the full record. The flat stretch in the middle is your frost-free season.

Temperature through the year

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Mean monthly temperature across the record. Months shown in blue average at least one air frost.

Monthly means and average number of frost nights.
Month Mean low Mean high Frost nights
January -10.4°C -0.6°C 30.8
February -7.1°C 1.5°C 27.2
March -1.4°C 6.5°C 20.7
April 3.3°C 12.6°C 4.6
May 8.2°C 17.9°C 0.1
June 13°C 24.8°C 0
July 16.3°C 29.8°C 0
August 16.9°C 30.1°C 0
September 12.8°C 24.3°C 0
October 6.8°C 16.5°C 1.1
November 0°C 8.6°C 13.4
December -6.4°C 2.3°C 29.3

Turn these dates into a planting calendar →

Nearby

Compare with places close by

Patnos Zone 6a 49 km Last frost 17 Apr First 2 Nov Van Zone 6a 59 km Last frost 3 Apr First 18 Nov Adilcevaz Zone 5b 60 km Last frost 28 Apr First 23 Oct Ağrı Zone 6a 81 km Last frost 16 May First 8 Oct Ahlat Zone 6a 82 km Last frost 14 Apr First 5 Nov Doğubayazıt Zone 7a 85 km Last frost 22 Apr First 28 Oct Tatvan Zone 6a 111 km Last frost 14 Apr First 5 Nov Iğdır Zone 7b 116 km Last frost 17 Apr First 2 Nov

Seasonal context

Rainfall and the growing season in Erciş

April has the highest average precipitation (66 mm); August has the lowest (8 mm). Compare this pattern with the planting windows and your water supply.

Jan 40 mm
Feb 38 mm
Mar 52 mm
Apr 66 mm
May 53 mm
Jun 25 mm
Jul 12 mm
Aug 8 mm
Sep 14 mm
Oct 46 mm
Nov 41 mm
Dec 46 mm

During wetter months, check that beds and containers drain after heavy rain. During drier months, plan how you will keep seeds and new transplants watered. Monthly averages can hide long dry spells and intense storms; they do not show soil moisture, humidity or this week's weather.

Source: NASA POWER, corrected MERRA-2 precipitation, 2001–2020. Values are approximate monthly totals, including the water equivalent of snow, from the nearest 0.5° × 0.625° grid cell. This reference period differs from the temperature record. Rainfall provides context and does not change the calculated planting dates. Method and limitations.

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