Samarkand is Verus's first climate-archive data point in Central Asia, and it's a genuinely different climate to every other market this site covers — not a hot-country problem in the Gulf or Caribbean sense, but a true continental extreme: brutal winters and brutal summers, separated by two short, genuinely pleasant shoulder seasons. This guide is built entirely from Samarkand's own eleven years of records (2015-2025, hourly data, sampled at 6am — the hour most people here would actually set off). Verus doesn't yet have equivalent archive data for Tashkent, so this guide describes Samarkand specifically rather than Uzbekistan generally.
The year, month by month
| Month | Avg. high | Avg. low | Rain days | 6am temp / dew point |
|---|---|---|---|---|
| January | 8.0°C | -2.3°C | 8.8 | -1.1°C / -5.1°C |
| February | 10.6°C | -0.6°C | 10.0 | 0.7°C / -3.1°C |
| March | 15.7°C | 3.9°C | 11.9 | 5.0°C / 1.8°C |
| April | 21.3°C | 8.8°C | 9.3 | 9.6°C / 5.6°C |
| May | 27.4°C | 14.1°C | 7.5 | 14.9°C / 8.3°C |
| June | 33.6°C | 18.7°C | 1.8 | 19.5°C / 7.7°C |
| July | 36.4°C | 21.5°C | 0.2 | 22.0°C / 8.0°C |
| August | 34.1°C | 18.9°C | 0.5 | 19.0°C / 6.7°C |
| September | 29.5°C | 14.4°C | 0.9 | 14.5°C / 4.1°C |
| October | 21.3°C | 8.0°C | 5.3 | 8.7°C / 2.3°C |
| November | 13.8°C | 2.0°C | 6.4 | 3.1°C / -0.9°C |
| December | 9.0°C | -1.1°C | 8.3 | 0.2°C / -3.9°C |
Two genuine extremes, five months apart
December through February all carry sub-zero average lows — a real winter, not a mild-climate technicality, and a reminder that "desert" and "cold" aren't opposites in a continental climate like this one. Five months later, July highs average 36.4°C, with lows still above 21°C even overnight. Between the two, the swing from January's -2.3°C average low to July's 36.4°C average high is close to 39 degrees — among the widest annual ranges Verus has recorded for any market it covers.
What softens that summer extreme is humidity, or the lack of it. Even at the peak of July, the 6am dew point averages just 8.0°C — bone dry. The gap between air temperature and dew point at 6am widens to around 14 degrees in July (22.0°C air against an 8.0°C dew point), which is the practical definition of low relative humidity: there's plenty of room left for sweat to evaporate, however hot the air itself gets.
Compared to a genuinely humid heat
Verus's own Saudi Arabia guide put Jeddah's August 6am dew point at 26.0°C, against a very similar air temperature to Samarkand's July (29.6°C vs 22.0°C) — a gap of under 4 degrees between air temperature and dew point, versus Samarkand's roughly 14. That gap is the whole story: Jeddah's evaporative cooling is badly compromised even at dawn; Samarkand's, even at its hottest, mostly still works. This is a heat-load problem, not a heat-plus-humidity problem.
It isn't a completely dry heat, though — Verus's climate archive shows 16% of July mornings and 3% of August mornings already starting at or above 24°C by 6am (the threshold this site uses to flag a morning that's already hot before you've started running), against 0% for every month from September through May. So the dry-heat framing above is real, but July and August dawns aren't universally cool either — check the actual morning, don't assume.
The shoulder seasons — and why late April matters here specifically
Spring and autumn are the genuinely pleasant windows: April and October both average low-20s highs and single-digit lows at 6am, with none of the archive's 24°C-plus dawns. April is also, by Samarkand's own standards, one of the wetter months — 9.3 rain days on average, behind only March's 11.9 — so "mild" here means mild temperatures with a real chance of rain, not a guaranteed dry window.
That matters directly for anyone training toward T100 Samarkand, which races on 24-25 April 2027: the race lands right in this shoulder season, with a 6am average of 9.6°C air and a 5.6°C dew point — genuinely comfortable conditions for both the run leg and any dawn training in the days before, a world away from July's extremes. It's also a reasonable part of the argument, laid out in Verus's own T100 Samarkand guide, for why a wetsuit-legal swim looks like the more likely outcome for the race's still-water lake leg, even though the organiser hasn't confirmed water temperature.
If you are training through the extremes
The dry-heat pattern here carries the same hidden risk that Verus's Riyadh coverage describes: because sweat evaporates almost instantly in low humidity, you lose the visual cue that normally reminds you to drink. The fluid loss during a July or August Samarkand run still happens — you just won't feel as soaked as you would in a humid climate, which makes it easier to under-hydrate without noticing until a headache sets in. Drinking on a schedule rather than by feel matters more here than the temperature alone would suggest.
At the other end of the year, December-February's sub-zero lows are a straightforward cold-weather problem rather than a hidden one — layer up, protect extremities, and treat pre-dawn ice as a real possibility given how many rain days these months carry alongside the cold.
- June-August: run at dawn, hydrate on a schedule rather than by thirst, and don't mistake dry air for a lack of fluid loss.
- December-February: watch footing for ice, particularly given eight-plus average rain days across each winter month.
- March-April and September-October: the two genuinely easy windows — mild temperatures, low-to-moderate rain risk, and no recorded 24°C-plus dawns.