Quetta, Balochistan, Pakistan

Frost dates for Quetta

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

14 March

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

Median first autumn frost

27 November

The far end of the outdoor season.

Frost-free season

259 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	17 Feb	14 Mar	8 Apr	11 Feb	15 Apr
First of autumn	14 Nov	27 Nov	11 Dec	7 Nov	17 Dec
Frost-free days	297	259	220	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	10 Feb	3 Mar	14 Mar	24 Jan	9 Apr
First of autumn	18 Nov	6 Dec	19 Dec	14 Nov	26 Dec
Frost-free days	313	278	249	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	23 Jan	12 Feb	8 Mar	18 Jan	21 Mar
First of autumn	5 Dec	18 Dec	28 Dec	20 Nov	1 Jan
Frost-free days	339	309	271	1 of 30 years saw none at all

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

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

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	-1.2°C	11.3°C	19.4
February	0.6°C	13.8°C	12.8
March	4.7°C	18.7°C	3.9
April	10°C	24.7°C	0.3
May	14.5°C	30.1°C	0
June	18.2°C	33.9°C	0
July	19.9°C	34.4°C	0
August	18.7°C	32.8°C	0
September	15.1°C	30°C	0
October	9.8°C	24.8°C	0
November	4.6°C	18.7°C	2.9
December	0.6°C	14.1°C	13.1

Turn these dates into a planting calendar →