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Tosno · June 2027

Northern lights in Tosno in June 2027

Answer

June gives Tosno 1.7 hours of civil night on the 15th, the lightest month of its year, under 67% mean cloud. 8% of June days since 1996 reached Kp 5, enough for the oval edge to reach Tosno.
1.9 h
civil night, average night
SunCalc for 59.54, 30.88; NASA POWER; GFZ Kp

June against the rest of the year

June cloud at Tosno averages 67% in NASA POWER's 2001 to 2020 record, 7 points clearer than its yearly mean. May is Tosno's clearest month at 63%. By civil night times clear sky, June scores 0.6 hours at Tosno, 12th of 12. Kolpino, 29 km away, averages the same 67%.

Civil night at Tosno starts June at 2 h 51 min and reaches 1 h 55 min by June 30, 0.9 hours shorter. No night keeps the 10 PM to 2 AM window fully dark at Tosno. The sun never reaches 18 degrees down, so Tosno gets no astronomical night in June.

June night by night

June opens toward a new moon on Jun 4, with full moon on Jun 19, in Europe/Moscow dates. Tosno gets 24 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: Jun 1 (2 h 31 min), Jun 2 (2 h 28 min), Jun 3 (2 h 25 min).

  1. 1

    11% lit

    2.7 h

  2. 2

    5% lit

    2.8 h

  3. 3

    1% lit

    2.6 h

  4. 4

    0% lit

    2.5 h

  5. 5

    2% lit

    2.3 h

  6. 6

    6% lit

    1.7 h

  7. 7

    13% lit

    1.4 h

  8. 8

    22% lit

    1.2 h

  9. 9

    33% lit

    1.1 h

  10. 10

    44% lit

    0.9 h

  11. 11

    55% lit

    0.9 h

  12. 12

    65% lit

    0.8 h

  13. 13

    75% lit

    0.7 h

  14. 14

    84% lit

    0.6 h

  15. 15

    90% lit

    0.5 h

  16. 16

    95% lit

    0.3 h

  17. 17

    99% lit

    0.0 h

  18. 18

    100% lit

    0.0 h

  19. 19

    99% lit

    0.0 h

  20. 20

    97% lit

    0.0 h

  21. 21

    93% lit

    0.0 h

  22. 22

    87% lit

    0.0 h

  23. 23

    80% lit

    0.0 h

  24. 24

    72% lit

    0.0 h

  25. 25

    63% lit

    0.0 h

  26. 26

    53% lit

    0.0 h

  27. 27

    43% lit

    0.1 h

  28. 28

    33% lit

    0.2 h

  29. 29

    23% lit

    0.3 h

  30. 30

    15% lit

    0.6 h

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 Junes

Tosno needs Kp 5 for the average oval edge to sit overhead. 73 of the 900 June days from 1996 to 2025 (8%) reached it in the GFZ Potsdam record, 9th of 12 months; storm days with Kp 5 or more made up 8%. Tosno sits at 56.3 degrees geomagnetic. By SWPC's rule the average oval edge is overhead at Kp 5, and aurora is usually visible on the northern horizon at G1 (Kp 5) or less.

June across Russia

Tosno ranks 2nd in Russia for civil night on June 15, behind Velikiy Novgorod at 2.7 hours. Coming from May (4.6 hours at Tosno), June loses darkness, and the nights keep growing into July (3.4 hours on the 15th). The June solstice falls on June 21, 17:07 Tosno time.

Civil night on June 15 and June cloud, month-page towns in Russia
TownCivil nightCloud
Velikiy Novgorod2.7 h66%
Tosno1.7 h67%
Kolpino1.4 h67%
Saint Petersburg1.0 h67%
Arkhangel'sk0.0 h67%
Murmansk0.0 h79%
Petrozavodsk0.0 h73%
Syktyvkar0.0 h70%
Severodvinsk0.0 h67%
Norilsk0.0 h74%
Noyabrsk0.0 h69%
Ukhta0.0 h69%

Darkness and moon, every night

Tosno, June 2027: each night from local noon to the next noon
NightCivilAstronomicalMoon-free darkMoon-free, 10 PM to 2 AMMoon lit
Tue Jun 12 h 51 min0 min2 h 41 min2 h 31 min11%
Wed Jun 22 h 45 min0 min2 h 45 min2 h 28 min5%
Thu Jun 32 h 39 min0 min2 h 39 min2 h 25 min1%
Fri Jun 42 h 33 min0 min2 h 33 min2 h 22 min0%
Sat Jun 52 h 27 min0 min2 h 20 min2 h 12 min2%
Sun Jun 62 h 21 min0 min1 h 42 min1 h 36 min6%
Mon Jun 72 h 16 min0 min1 h 22 min1 h 18 min13%
Tue Jun 82 h 11 min0 min1 h 10 min1 h 9 min22%
Wed Jun 92 h 6 min0 min1 h 3 min1 h 3 min33%
Thu Jun 102 h 1 min0 min57 min57 min44%
Fri Jun 111 h 56 min0 min53 min53 min55%
Sat Jun 121 h 52 min0 min48 min48 min65%
Sun Jun 131 h 48 min0 min44 min44 min75%
Mon Jun 141 h 44 min0 min38 min38 min84%
Tue Jun 151 h 41 min0 min29 min29 min90%
Wed Jun 161 h 38 min0 min15 min15 min95%
Thu Jun 171 h 36 min0 min0 min0 min99%
Fri Jun 181 h 34 min0 min0 min0 min100%
Sat Jun 191 h 33 min0 min0 min0 min99%
Sun Jun 201 h 32 min0 min0 min0 min97%
Mon Jun 211 h 32 min0 min0 min0 min93%
Tue Jun 221 h 32 min0 min0 min0 min87%
Wed Jun 231 h 33 min0 min0 min0 min80%
Thu Jun 241 h 35 min0 min0 min0 min72%
Fri Jun 251 h 37 min0 min0 min0 min63%
Sat Jun 261 h 40 min0 min2 min2 min53%
Sun Jun 271 h 43 min0 min5 min5 min43%
Mon Jun 281 h 46 min0 min11 min11 min33%
Tue Jun 291 h 50 min0 min19 min19 min23%
Wed Jun 301 h 55 min0 min33 min33 min15%
Moon lit: SunCalc illuminated fraction at the middle of the 10 PM to 2 AM window.

Questions

Can you see the northern lights in Tosno in June?
On dark, clear nights with enough activity. 30 of 30 nights at Tosno have civil darkness, and 8% of past June days reached Kp 5.
How dark is Tosno in June?
Tosno averages 1.9 hours of civil night a night in June 2027, from 2 h 51 min on the 1st to 1 h 55 min on the last night.
How cloudy is Tosno in June?
NASA POWER's 2001 to 2020 climatology gives Tosno's 1 degree cell 67% mean cloud in June, against 74% for the whole year. It is an all-hours average, not a forecast.
What is the best night in June 2027 for aurora in Tosno?
By darkness and moon alone, Jun 1, with 2 h 31 min of moon-free darkness inside 10 PM to 2 AM at Tosno. Activity on that date will only be known hours ahead.
Is June or July better in Tosno?
By civil night times the clear share, June scores 0.6 hours at Tosno and July 1.2. July 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.