Helin weather history, May 2023

The month at a glance

Recorded day by day for Helin in May 2023: conditions, high and low temperature, wind, and sunrise and sunset times. History pages show archived readings, so they never change.

Warmest day

30 °C

Coldest day

3 °C

Average

16 °C

Days recorded

Calendar

Mo	Tu	We	Th	Fr	Sa	Su
05-01 Light rain to Overcast 10 °C to 26 °C 05:32 19:27	05-02 Cloudy to Sunny 14 °C to 27 °C 05:31 19:28	05-03 Sunny to Cloudy 13 °C to 28 °C 05:29 19:29	05-04 Moderate rain to Light rain 10 °C to 16 °C 05:28 19:30	05-05 Cloudy 8 °C to 16 °C 05:27 19:31	05-06 Cloudy to Sunny 5 °C to 15 °C 05:26 19:32	05-07 Cloudy to Sunny 7 °C to 19 °C 05:25 19:33
05-08 Cloudy 11 °C to 22 °C 05:24 19:34	05-09 Cloudy to Showers 8 °C to 21 °C 05:22 19:35	05-10 Cloudy 8 °C to 20 °C 05:21 19:36	05-11 Cloudy to Showers 7 °C to 20 °C 05:20 19:37	05-12 Cloudy 6 °C to 20 °C 05:19 19:38	05-13 Cloudy to Sunny 12 °C to 25 °C 05:18 19:39	05-14 Sunny 13 °C to 28 °C 05:17 19:40
05-15 Sunny 16 °C to 30 °C 05:16 19:41	05-16 Cloudy to Overcast 13 °C to 29 °C 05:15 19:42	05-17 Cloudy to Sunny 10 °C to 23 °C 05:14 19:43	05-18 Cloudy 12 °C to 28 °C 05:14 19:44	05-19 Cloudy 5 °C to 20 °C 05:13 19:45	05-20 Cloudy 5 °C to 16 °C 05:12 19:46	05-21 Cloudy to Sunny 3 °C to 17 °C 05:11 19:46
05-22 Sunny 8 °C to 20 °C 05:10 19:47	05-23 Cloudy 11 °C to 23 °C 05:10 19:48	05-24 Cloudy 9 °C to 17 °C 05:09 19:49	05-25 Sunny to Overcast 10 °C to 21 °C 05:08 19:50	05-26 Cloudy to Overcast 13 °C to 26 °C 05:08 19:51	05-27 Cloudy 12 °C to 23 °C 05:07 19:52	05-28 Cloudy 15 °C to 28 °C 05:06 19:52
05-29 Cloudy to Light rain 12 °C to 29 °C 05:06 19:53	05-30 Light rain to Cloudy 14 °C to 21 °C 05:05 19:54	05-31 Cloudy to Sunny 13 °C to 20 °C 05:05 19:55

05-01

Light rain to Overcast

10 °C to 26 °C

05:32 19:27

05-02

Cloudy to Sunny

14 °C to 27 °C

05:31 19:28

05-03

Sunny to Cloudy

13 °C to 28 °C

05:29 19:29

05-04

Moderate rain to Light rain

10 °C to 16 °C

05:28 19:30

05-05

Cloudy

8 °C to 16 °C

05:27 19:31

05-06

Cloudy to Sunny

5 °C to 15 °C

05:26 19:32

05-07

Cloudy to Sunny

7 °C to 19 °C

05:25 19:33

05-08

Cloudy

11 °C to 22 °C

05:24 19:34

05-09

Cloudy to Showers

8 °C to 21 °C

05:22 19:35

05-10

Cloudy

8 °C to 20 °C

05:21 19:36

05-11

Cloudy to Showers

7 °C to 20 °C

05:20 19:37

05-12

Cloudy

6 °C to 20 °C

05:19 19:38

05-13

Cloudy to Sunny

12 °C to 25 °C

05:18 19:39

05-14

Sunny

13 °C to 28 °C

05:17 19:40

05-15

Sunny

16 °C to 30 °C

05:16 19:41

05-16

Cloudy to Overcast

13 °C to 29 °C

05:15 19:42

05-17

Cloudy to Sunny

10 °C to 23 °C

05:14 19:43

05-18

Cloudy

12 °C to 28 °C

05:14 19:44

05-19

Cloudy

5 °C to 20 °C

05:13 19:45

05-20

Cloudy

5 °C to 16 °C

05:12 19:46

05-21

Cloudy to Sunny

3 °C to 17 °C

05:11 19:46

05-22

Sunny

8 °C to 20 °C

05:10 19:47

05-23

Cloudy

11 °C to 23 °C

05:10 19:48

05-24

Cloudy

9 °C to 17 °C

05:09 19:49

05-25

Sunny to Overcast

10 °C to 21 °C

05:08 19:50

05-26

Cloudy to Overcast

13 °C to 26 °C

05:08 19:51

05-27

Cloudy

12 °C to 23 °C

05:07 19:52

05-28

Cloudy

15 °C to 28 °C

05:06 19:52

05-29

Cloudy to Light rain

12 °C to 29 °C

05:06 19:53

05-30

Light rain to Cloudy

14 °C to 21 °C

05:05 19:54

05-31

Cloudy to Sunny

13 °C to 20 °C

05:05 19:55

Day by day

Date	Conditions	Temperature	Wind	Sunrise and sunset
Monday 1 May	Light rain to Overcast	10 °C to 26 °C	Northwest to Southwest force 3-4	05:32 / 19:27
Tuesday 2 May	Cloudy to Sunny	14 °C to 27 °C	Northwest to Southwest force 3-4	05:31 / 19:28
Wednesday 3 May	Sunny to Cloudy	13 °C to 28 °C	West to Southeast force 3-4	05:29 / 19:29
Thursday 4 May	Moderate rain to Light rain	10 °C to 16 °C	East to Northwest force <3	05:28 / 19:30
Friday 5 May	Cloudy	8 °C to 16 °C	Southeast to Northeast force 3-4	05:27 / 19:31
Saturday 6 May	Cloudy to Sunny	5 °C to 15 °C	South to Northeast force 3-4	05:26 / 19:32
Sunday 7 May	Cloudy to Sunny	7 °C to 19 °C	East to South force 3-4	05:25 / 19:33
Monday 8 May	Cloudy	11 °C to 22 °C	East to Southwest force 3-4	05:24 / 19:34
Tuesday 9 May	Cloudy to Showers	8 °C to 21 °C	West to Southwest force 3-4	05:22 / 19:35
Wednesday 10 May	Cloudy	8 °C to 20 °C	Southwest force 3-4	05:21 / 19:36
Thursday 11 May	Cloudy to Showers	7 °C to 20 °C	Northeast to West force 3-4	05:20 / 19:37
Friday 12 May	Cloudy	6 °C to 20 °C	East to North force 3-4	05:19 / 19:38
Saturday 13 May	Cloudy to Sunny	12 °C to 25 °C	Northwest to South force 3-4	05:18 / 19:39
Sunday 14 May	Sunny	13 °C to 28 °C	Northeast to Southwest force 3-4	05:17 / 19:40
Monday 15 May	Sunny	16 °C to 30 °C	Northeast to Southwest force 3-4	05:16 / 19:41
Tuesday 16 May	Cloudy to Overcast	13 °C to 29 °C	East to North force 3-4	05:15 / 19:42
Wednesday 17 May	Cloudy to Sunny	10 °C to 23 °C	East to Southeast force 3-4	05:14 / 19:43
Thursday 18 May	Cloudy	12 °C to 28 °C	North force 3-4	05:14 / 19:44
Friday 19 May	Cloudy	5 °C to 20 °C	East to North force 3-4	05:13 / 19:45
Saturday 20 May	Cloudy	5 °C to 16 °C	East to North force 3-4	05:12 / 19:46
Sunday 21 May	Cloudy to Sunny	3 °C to 17 °C	Southeast to North force 3-4	05:11 / 19:46
Monday 22 May	Sunny	8 °C to 20 °C	North to South force 3-4	05:10 / 19:47
Tuesday 23 May	Cloudy	11 °C to 23 °C	Northwest to Southwest force 3-4	05:10 / 19:48
Wednesday 24 May	Cloudy	9 °C to 17 °C	Northwest to Southwest force 4-5	05:09 / 19:49
Thursday 25 May	Sunny to Overcast	10 °C to 21 °C	Northeast to Southwest force 3-4	05:08 / 19:50
Friday 26 May	Cloudy to Overcast	13 °C to 26 °C	Northwest to Southeast force 3-4	05:08 / 19:51
Saturday 27 May	Cloudy	12 °C to 23 °C	West to Southwest force <3	05:07 / 19:52
Sunday 28 May	Cloudy	15 °C to 28 °C	East force <3	05:06 / 19:52
Monday 29 May	Cloudy to Light rain	12 °C to 29 °C	Southwest to Southeast force 3-4	05:06 / 19:53
Tuesday 30 May	Light rain to Cloudy	14 °C to 21 °C	Northeast to Northwest force 3-4	05:05 / 19:54
Wednesday 31 May	Cloudy to Sunny	13 °C to 20 °C	Northwest to West force 3-4	05:05 / 19:55

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About this data

History pages list the daily readings WuAi Weather archives from public meteorological feeds. They record what was measured in the past, they are not a forecast, and they are provided for reference only.

How to read this forecast

A short guide to Helin: what these numbers mean and how to plan around them.

Why one day shows two conditions

Forecasts split the day into daytime and night. The daily table gives both, with separate wind, so you know what to expect on the way out and on the way home.

What "to" means between two conditions

In "light rain to moderate rain" the word "to" describes a change during the day, not two things happening at once. Pack for the stronger half.

When the high and low actually happen

The daily maximum usually falls between 14:00 and 16:00, and the minimum around sunrise. Mornings feel colder than the headline number, so dress for the low.

Far forecasts are a trend, not a promise

Days 1 to 3 are reliable. Days 7 to 15 shift as systems are re-run, so treat them as a direction and re-check three days before anything important.

Reading wind force

Force is the Beaufort-style scale used by the source service. Up to 4 it barely matters; 5 to 6 makes an umbrella awkward and cycling unstable; 7 and above is when outdoor work, scaffolding and small boats should stop.

AQI is not PM2.5

AQI blends several pollutants, PM2.5 is one measurement. 0 to 50 is excellent, 51 to 100 good, and above 150 sensitive groups should cut hard outdoor exercise; above 200 consider a mask and keep windows shut.

The precipitation figure

The current reading is accumulated rainfall in millimetres over the recent period. Around 10 mm means moderate to heavy rain and puddles, so leave extra time.

Using historical weather

From the city page open History and choose a month to see day-by-day recorded conditions. Historical archives and live forecasts are produced on different pipelines, so small differences are normal.

Frequently asked questions

Common questions about the Helin forecast data and about using this website.

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Live conditions, hourly and daily forecasts, air quality and living indices are read from the public weather API of the China Meteorological Administration. WuAi Weather formats and displays that data; we do not run weather models.

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Current and hourly data is normally refreshed about every 15 minutes, and the daily forecast once a day. If a number looks frozen, reload the page.

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How accurate is the 15-day forecast?

Short range is accurate, long range is a tendency. Use days 7 to 15 for the shape of the week rather than an exact figure and confirm close to your travel date.

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