Best time to see northern lights › April

By month

Northern lights in April

April signals the end of reliable aurora conditions for most of the northern hemisphere. Nights have shortened enough at mid and lower latitudes that even moderate geomagnetic activity produces little practical viewing opportunity. Only the highest-latitude northern locations - those at around 65°N or above, needing Kp 2 or below - retain meaningful darkness windows. Tromsø, Svalbard, Iceland, Greenland, northern Scandinavia, and the far north of Canada and Alaska are still viable, though conditions rate as marginal rather than good as twilight begins to intrude.

For the Scandinavian and Scottish mid-latitude sites that were active through winter, April is effectively the end of the season. Nights above 60°N are now short enough that even a strong geomagnetic storm produces only a brief display window around midnight. If you are planning a trip to northern Europe for aurora, March is the last reliably productive month.

The southern hemisphere more than compensates. April is the start of a reliable aurora australis season at high and mid southern latitudes. Autumn darkness has returned to Ushuaia, Stewart Island, Queenstown, and Hobart. High-latitude austral sites rate as good; mid-latitude sites including much of Tasmania and New Zealand's South Island are also in good condition. April through August represents the core of the southern aurora season, and April is the month it properly begins.

Planning your trip in April

Weather

Spring arrives in northern Scandinavia and Iceland in April. Snow begins to melt at lower elevations and days lengthen rapidly. The high Arctic (Svalbard, north Greenland) remains frozen. In the southern hemisphere, Patagonia, Tasmania, and New Zealand's South Island begin their autumn cool with more settled air than winter. April is a pleasant travel month in both hemispheres.

Darkness

Limited at northern high latitudes. Tromsø gets around 7 to 8 hours of darkness by April, shortening rapidly. Iceland gets about 8 hours of darkness in early April, barely enough by month end. In the south, Ushuaia has around 12 hours of darkness, with nights lengthening toward winter. Hobart and Queenstown have 11 to 12 hours.

Best regions

Svalbard and north Greenland — The only northern locations with genuine polar night conditions still in place. Svalbard has some darkness through April. Accessible via Longyearbyen, though polar bear territory requires guides outside the settlement.
Ushuaia, Argentina — The starting point for the southern aurora season. April nights are lengthening into full winter darkness. The Beagle Channel and nearby hills offer dark northern horizons (southern auroras appear on the southern horizon).
Stewart Island, New Zealand — New Zealand's southernmost inhabited island enters good aurora condition from April. Dark skies, low light pollution, and a clear southern horizon. Accessible by ferry or small plane from Invercargill.
Hobart, Tasmania — Mount Wellington and the southern coast give reasonable dark-sky access close to a major city. April marks the reliable start of the Tasmanian aurora season.

Crowds & cost

April is off-peak for Arctic aurora destinations - prices drop significantly from March and accommodation is easy to find. The southern hemisphere aurora season is only beginning, so prices in Ushuaia and Queenstown are not yet at their winter peak. April is one of the more cost-effective months to plan an aurora trip.

Practical tip

If travelling to the southern hemisphere in April, aim for the last two weeks when nights are consistently long enough for reliable viewing. For any remaining northern trips, focus on the highest-latitude locations only and accept that the window will be short - two to three hours of darkness at best.

Current Kp level

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Quiet G1 storm G3 Extreme

The Kp index - a global measure of geomagnetic activity on a scale from 0 (quiet) to 9 (extreme storm), updated every 3 hours - determines which locations are active right now. Higher Kp extends the auroral oval to lower latitudes. Kp index explained →

Locations sorted by tonight's cloud cover within each group - clearest conditions first. Updated every 30 minutes.

Northern hemisphere

53 locations in marginal condition.

Marginal conditions

These locations can see aurora in April but the window is narrow - nights may be short, the Kp requirement is high, or the seasonal conditions are at the edge of viable. A clear, dark night with elevated activity gives the best chance.

Northern lights in April

Planning your trip in April

Current Kp level

Northern hemisphere

Abisko

Alta

Bodø

Churchill

Dawson City

Fairbanks

Finnsnes

Gällivare

Hammerfest

Harstad

Honningsvåg

Ilulissat

Ivalo

Jukkasjärvi

Kangerlussuaq

Kirkenes

Kiruna

Kittilä

Kvaløya

Levi

Luosto

Lyngen Alps

Narvik

Nuuk

Saariselkä

Senja

Svalbard

Tromsø

Vardø

Vesterålen

Yellowknife

Ylläs

Akureyri

Anchorage

Borgarnes

Dalvík

Edmonton

Egilsstaðir

Húsavík

Ísafjörður

Lofoten Islands

Mývatn

Reykjavik

Rovaniemi

Scotland

Shetland Islands

Snæfellsbær

Snæfellsnes

Stykkishólmur

Umeå

Vopnafjörður

Westfjords

Whitehorse

Southern hemisphere

Fiordland

Lake Tekapo

Stewart Island

Ushuaia

Dunedin

Queenstown

Wānaka

Other months

Common questions

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