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Muravlenko · May 2027

Northern lights in Muravlenko in May 2027

Answer

May gives Muravlenko 1.9 hours of civil night on the 15th, the 10th darkest of its 12 months, under 74% mean cloud. 4% of May days since 1996 reached Kp 6, enough for the oval edge to reach Muravlenko.
1.8 h
civil night, average night
SunCalc for 63.79, 74.52; NASA POWER; GFZ Kp

May against the rest of the year

May cloud at Muravlenko averages 74% in NASA POWER's 2001 to 2020 record, 3 points cloudier than its yearly mean. February is Muravlenko's clearest month at 60%. By civil night times clear sky, May scores 0.5 hours at Muravlenko, 10th of 12. Noyabrsk, 80 km away, averages the same 74%.

Civil night at Muravlenko starts May at 4 h 42 min and reaches 0 min by May 31, 4.7 hours shorter. 13 Muravlenko nights this month have no civil darkness at all. The 10 PM to 2 AM window is fully dark on 5 of 31 nights. The sun never reaches 18 degrees down, so Muravlenko gets no astronomical night in May.

May night by night

May opens toward a new moon on May 6, with full moon on May 20, in Asia/Yekaterinburg dates. Muravlenko gets 28 hours of civil night with the moon below the horizon across the month. The best of them for moon-free darkness inside 10 PM to 2 AM: May 1 (4 h), May 2 (4 h), May 3 (4 h).

  1. 1

    23% lit

    4.7 h

  2. 2

    15% lit

    4.5 h

  3. 3

    9% lit

    4.4 h

  4. 4

    4% lit

    4.2 h

  5. 5

    1% lit

    4.0 h

  6. 6

    0% lit

    3.9 h

  7. 7

    3% lit

    1.8 h

  8. 8

    7% lit

    0.0 h

  9. 9

    15% lit

    0.0 h

  10. 10

    24% lit

    0.0 h

  11. 11

    34% lit

    0.0 h

  12. 12

    46% lit

    0.0 h

  13. 13

    57% lit

    0.0 h

  14. 14

    68% lit

    0.0 h

  15. 15

    77% lit

    0.0 h

  16. 16

    86% lit

    0.0 h

  17. 17

    92% lit

    0.0 h

  18. 18

    97% lit

    0.0 h

  19. 19

    99% lit

    no night

  20. 20

    100% lit

    no night

  21. 21

    98% lit

    no night

  22. 22

    95% lit

    no night

  23. 23

    90% lit

    no night

  24. 24

    83% lit

    no night

  25. 25

    75% lit

    no night

  26. 26

    67% lit

    no night

  27. 27

    58% lit

    no night

  28. 28

    48% lit

    no night

  29. 29

    38% lit

    no night

  30. 30

    29% lit

    no night

  31. 31

    20% lit

    no night

Each cell is the night that starts on that date. Hours are civil-dark time with the moon below the horizon; the green rule scales with them. Green outline: new moon. Bone outline: full moon.

Activity in past Mays

Muravlenko needs Kp 6 for the average oval edge to sit overhead. 39 of the 930 May days from 1996 to 2025 (4%) reached it in the GFZ Potsdam record, 4th of 12 months; storm days with Kp 5 or more made up 10%. Muravlenko sits at 55.7 degrees geomagnetic. By SWPC's rule the average oval edge is overhead at Kp 6, and aurora is usually visible on the northern horizon at G1 (Kp 5) or less.

May across Russia

Muravlenko ranks 8th in Russia for civil night on May 15, behind Velikiy Novgorod at 5.0 hours. Coming from April (6.9 hours at Muravlenko), May loses darkness, and June brings shorter nights (0.0 hours on the 15th).

Civil night on May 15 and May cloud, month-page towns in Russia
TownCivil nightCloud
Velikiy Novgorod5.0 h61%
Saint Petersburg4.5 h63%
Kolpino4.5 h63%
Syktyvkar3.6 h66%
Petrozavodsk3.5 h73%
Noyabrsk2.5 h74%
Ukhta2.1 h68%
Muravlenko1.9 h74%
Arkhangel'sk0.0 h70%
Murmansk0.0 h81%
Severodvinsk0.0 h71%
Norilsk0.0 h68%

Darkness and moon, every night

Muravlenko, May 2027: each night from local noon to the next noon
NightCivilAstronomicalMoon-free darkMoon-free, 10 PM to 2 AMMoon lit
Sat May 14 h 42 min0 min4 h 42 min4 h23%
Sun May 24 h 33 min0 min4 h 33 min4 h15%
Mon May 34 h 23 min0 min4 h 23 min4 h9%
Tue May 44 h 13 min0 min4 h 13 min4 h4%
Wed May 54 h 3 min0 min4 h 3 min4 h1%
Thu May 63 h 53 min0 min3 h 53 min3 h 53 min0%
Fri May 73 h 42 min0 min1 h 49 min1 h 49 min3%
Sat May 83 h 31 min0 min0 min0 min7%
Sun May 93 h 20 min0 min0 min0 min15%
Mon May 103 h 8 min0 min0 min0 min24%
Tue May 112 h 55 min0 min0 min0 min34%
Wed May 122 h 42 min0 min0 min0 min46%
Thu May 132 h 28 min0 min0 min0 min57%
Fri May 142 h 13 min0 min0 min0 min68%
Sat May 151 h 57 min0 min0 min0 min77%
Sun May 161 h 38 min0 min0 min0 min86%
Mon May 171 h 15 min0 min0 min0 min92%
Tue May 1841 min0 min0 min0 min97%
Wed May 190 min0 min0 min0 min99%
Thu May 200 min0 min0 min0 min100%
Fri May 210 min0 min0 min0 min98%
Sat May 220 min0 min0 min0 min95%
Sun May 230 min0 min0 min0 min90%
Mon May 240 min0 min0 min0 min83%
Tue May 250 min0 min0 min0 min75%
Wed May 260 min0 min0 min0 min67%
Thu May 270 min0 min0 min0 min58%
Fri May 280 min0 min0 min0 min48%
Sat May 290 min0 min0 min0 min38%
Sun May 300 min0 min0 min0 min29%
Mon May 310 min0 min0 min0 min20%
Moon lit: SunCalc illuminated fraction at the middle of the 10 PM to 2 AM window.

Questions

Can you see the northern lights in Muravlenko in May?
On dark, clear nights with enough activity. 18 of 31 nights at Muravlenko have civil darkness, and 4% of past May days reached Kp 6.
How dark is Muravlenko in May?
Muravlenko averages 1.8 hours of civil night a night in May 2027, from 4 h 42 min on the 1st to 0 min on the last night.
How cloudy is Muravlenko in May?
NASA POWER's 2001 to 2020 climatology gives Muravlenko's 1 degree cell 74% mean cloud in May, against 71% for the whole year. It is an all-hours average, not a forecast.
What is the best night in May 2027 for aurora in Muravlenko?
By darkness and moon alone, May 1, with 4 h of moon-free darkness inside 10 PM to 2 AM at Muravlenko. Activity on that date will only be known hours ahead.
Is May or June better in Muravlenko?
By civil night times the clear share, May scores 0.5 hours at Muravlenko and June 0.0. May comes out ahead.

Sources and verification

Quoted figures last checked against their sources on 2026-09-30; next review 2026-12-31. Computed figures come from SunCalc and the IGRF-14 dipole as described in the methodology. Every quote is listed in the sources ledger.